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Finding the Fourth Proportional to 518,418.75, 777,628.13 and 124,434.75

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Solution

The fourth proportional to 518,418.75, 777,628.13 and 124,434.75 is: 186,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,418.75 : 777,628.13 = 124,434.75 : x
  2. Step 2: Convert to fraction form
    518,418.75/777,628.13 = 124,434.75/x
  3. Step 3: Cross multiply
    518,418.75x = 777,628.13 × 124,434.75
  4. Step 4: Simplify right side
    518,418.75x = 96,763,961,327.34
  5. Step 5: Solve for x
    x = 96,763,961,327.34/518,418.75
  6. Step 6: Final answer
    x = 186,652.13

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