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Finding the Fourth Proportional to 13,568.15, 18,723.93 and 7,599.87

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Solution

The fourth proportional to 13,568.15, 18,723.93 and 7,599.87 is: 10,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.15 : 18,723.93 = 7,599.87 : x
  2. Step 2: Convert to fraction form
    13,568.15/18,723.93 = 7,599.87/x
  3. Step 3: Cross multiply
    13,568.15x = 18,723.93 × 7,599.87
  4. Step 4: Simplify right side
    13,568.15x = 142,299,433.89
  5. Step 5: Solve for x
    x = 142,299,433.89/13,568.15
  6. Step 6: Final answer
    x = 10,487.76

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