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Finding the Fourth Proportional to 103,628.73, 143,007.64 and 58,916.73

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Solution

The fourth proportional to 103,628.73, 143,007.64 and 58,916.73 is: 81,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.73 : 143,007.64 = 58,916.73 : x
  2. Step 2: Convert to fraction form
    103,628.73/143,007.64 = 58,916.73/x
  3. Step 3: Cross multiply
    103,628.73x = 143,007.64 × 58,916.73
  4. Step 4: Simplify right side
    103,628.73x = 8,425,542,513.82
  5. Step 5: Solve for x
    x = 8,425,542,513.82/103,628.73
  6. Step 6: Final answer
    x = 81,305.08

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