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Finding the Fourth Proportional to 19,389.91, 29,090.60 and 6,241.96

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Solution

The fourth proportional to 19,389.91, 29,090.60 and 6,241.96 is: 9,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.91 : 29,090.60 = 6,241.96 : x
  2. Step 2: Convert to fraction form
    19,389.91/29,090.60 = 6,241.96/x
  3. Step 3: Cross multiply
    19,389.91x = 29,090.60 × 6,241.96
  4. Step 4: Simplify right side
    19,389.91x = 181,582,330.37
  5. Step 5: Solve for x
    x = 181,582,330.37/19,389.91
  6. Step 6: Final answer
    x = 9,364.78

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