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Finding the Fourth Proportional to 19,408.96, 29,113.62 and 6,929.56

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Solution

The fourth proportional to 19,408.96, 29,113.62 and 6,929.56 is: 10,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.96 : 29,113.62 = 6,929.56 : x
  2. Step 2: Convert to fraction form
    19,408.96/29,113.62 = 6,929.56/x
  3. Step 3: Cross multiply
    19,408.96x = 29,113.62 × 6,929.56
  4. Step 4: Simplify right side
    19,408.96x = 201,744,576.61
  5. Step 5: Solve for x
    x = 201,744,576.61/19,408.96
  6. Step 6: Final answer
    x = 10,394.40

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