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Finding the Fourth Proportional to 13,303.71, 19,973.79 and 8,358.66

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Solution

The fourth proportional to 13,303.71, 19,973.79 and 8,358.66 is: 12,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.71 : 19,973.79 = 8,358.66 : x
  2. Step 2: Convert to fraction form
    13,303.71/19,973.79 = 8,358.66/x
  3. Step 3: Cross multiply
    13,303.71x = 19,973.79 × 8,358.66
  4. Step 4: Simplify right side
    13,303.71x = 166,954,119.52
  5. Step 5: Solve for x
    x = 166,954,119.52/13,303.71
  6. Step 6: Final answer
    x = 12,549.44

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