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Finding the Fourth Proportional to 355,866.77, 533,806.34 and 131,111.51

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Solution

The fourth proportional to 355,866.77, 533,806.34 and 131,111.51 is: 196,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,866.77 : 533,806.34 = 131,111.51 : x
  2. Step 2: Convert to fraction form
    355,866.77/533,806.34 = 131,111.51/x
  3. Step 3: Cross multiply
    355,866.77x = 533,806.34 × 131,111.51
  4. Step 4: Simplify right side
    355,866.77x = 69,988,154,963.04
  5. Step 5: Solve for x
    x = 69,988,154,963.04/355,866.77
  6. Step 6: Final answer
    x = 196,669.54

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