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Finding the Fourth Proportional to 93,419.64, 128,922.72 and 53,137.08

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Solution

The fourth proportional to 93,419.64, 128,922.72 and 53,137.08 is: 73,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,419.64 : 128,922.72 = 53,137.08 : x
  2. Step 2: Convert to fraction form
    93,419.64/128,922.72 = 53,137.08/x
  3. Step 3: Cross multiply
    93,419.64x = 128,922.72 × 53,137.08
  4. Step 4: Simplify right side
    93,419.64x = 6,850,576,886.46
  5. Step 5: Solve for x
    x = 6,850,576,886.46/93,419.64
  6. Step 6: Final answer
    x = 73,331.23

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