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Finding the Fourth Proportional to 544,720.78, 817,212.42 and 170,743.78

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Solution

The fourth proportional to 544,720.78, 817,212.42 and 170,743.78 is: 256,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,720.78 : 817,212.42 = 170,743.78 : x
  2. Step 2: Convert to fraction form
    544,720.78/817,212.42 = 170,743.78/x
  3. Step 3: Cross multiply
    544,720.78x = 817,212.42 × 170,743.78
  4. Step 4: Simplify right side
    544,720.78x = 139,533,937,653.75
  5. Step 5: Solve for x
    x = 139,533,937,653.75/544,720.78
  6. Step 6: Final answer
    x = 256,156.81

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