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Finding the Fourth Proportional to 93,429.72, 128,936.58 and 53,147.22

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Solution

The fourth proportional to 93,429.72, 128,936.58 and 53,147.22 is: 73,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,429.72 : 128,936.58 = 53,147.22 : x
  2. Step 2: Convert to fraction form
    93,429.72/128,936.58 = 53,147.22/x
  3. Step 3: Cross multiply
    93,429.72x = 128,936.58 × 53,147.22
  4. Step 4: Simplify right side
    93,429.72x = 6,852,620,783.31
  5. Step 5: Solve for x
    x = 6,852,620,783.31/93,429.72
  6. Step 6: Final answer
    x = 73,345.19

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