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Finding the Fourth Proportional to 105,790.62, 158,688.24 and 38,328.68

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Solution

The fourth proportional to 105,790.62, 158,688.24 and 38,328.68 is: 57,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,790.62 : 158,688.24 = 38,328.68 : x
  2. Step 2: Convert to fraction form
    105,790.62/158,688.24 = 38,328.68/x
  3. Step 3: Cross multiply
    105,790.62x = 158,688.24 × 38,328.68
  4. Step 4: Simplify right side
    105,790.62x = 6,082,310,770.72
  5. Step 5: Solve for x
    x = 6,082,310,770.72/105,790.62
  6. Step 6: Final answer
    x = 57,493.86

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