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Finding the Fourth Proportional to 49,157.16, 73,742.40 and 19,578.12

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Solution

The fourth proportional to 49,157.16, 73,742.40 and 19,578.12 is: 29,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,157.16 : 73,742.40 = 19,578.12 : x
  2. Step 2: Convert to fraction form
    49,157.16/73,742.40 = 19,578.12/x
  3. Step 3: Cross multiply
    49,157.16x = 73,742.40 × 19,578.12
  4. Step 4: Simplify right side
    49,157.16x = 1,443,737,556.29
  5. Step 5: Solve for x
    x = 1,443,737,556.29/49,157.16
  6. Step 6: Final answer
    x = 29,369.83

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