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Finding the Fourth Proportional to 112,886.73, 155,785.43 and 61,904.12

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Solution

The fourth proportional to 112,886.73, 155,785.43 and 61,904.12 is: 85,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.73 : 155,785.43 = 61,904.12 : x
  2. Step 2: Convert to fraction form
    112,886.73/155,785.43 = 61,904.12/x
  3. Step 3: Cross multiply
    112,886.73x = 155,785.43 × 61,904.12
  4. Step 4: Simplify right side
    112,886.73x = 9,643,759,328.80
  5. Step 5: Solve for x
    x = 9,643,759,328.80/112,886.73
  6. Step 6: Final answer
    x = 85,428.64

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