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Finding the Fourth Proportional to 99,367.93, 137,127.65 and 56,926.63

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Solution

The fourth proportional to 99,367.93, 137,127.65 and 56,926.63 is: 78,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,367.93 : 137,127.65 = 56,926.63 : x
  2. Step 2: Convert to fraction form
    99,367.93/137,127.65 = 56,926.63/x
  3. Step 3: Cross multiply
    99,367.93x = 137,127.65 × 56,926.63
  4. Step 4: Simplify right side
    99,367.93x = 7,806,214,709.69
  5. Step 5: Solve for x
    x = 7,806,214,709.69/99,367.93
  6. Step 6: Final answer
    x = 78,558.69

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