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Finding the Fourth Proportional to 18,783.24, 25,922.61 and 10,399.74

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Solution

The fourth proportional to 18,783.24, 25,922.61 and 10,399.74 is: 14,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.24 : 25,922.61 = 10,399.74 : x
  2. Step 2: Convert to fraction form
    18,783.24/25,922.61 = 10,399.74/x
  3. Step 3: Cross multiply
    18,783.24x = 25,922.61 × 10,399.74
  4. Step 4: Simplify right side
    18,783.24x = 269,588,404.12
  5. Step 5: Solve for x
    x = 269,588,404.12/18,783.24
  6. Step 6: Final answer
    x = 14,352.60

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