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Finding the Fourth Proportional to 76,628.61, 114,995.76 and 26,709.12

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Solution

The fourth proportional to 76,628.61, 114,995.76 and 26,709.12 is: 40,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.61 : 114,995.76 = 26,709.12 : x
  2. Step 2: Convert to fraction form
    76,628.61/114,995.76 = 26,709.12/x
  3. Step 3: Cross multiply
    76,628.61x = 114,995.76 × 26,709.12
  4. Step 4: Simplify right side
    76,628.61x = 3,071,435,553.33
  5. Step 5: Solve for x
    x = 3,071,435,553.33/76,628.61
  6. Step 6: Final answer
    x = 40,082.10

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