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Finding the Fourth Proportional to 19,467.99, 29,176.61 and 8,934.21

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Solution

The fourth proportional to 19,467.99, 29,176.61 and 8,934.21 is: 13,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.99 : 29,176.61 = 8,934.21 : x
  2. Step 2: Convert to fraction form
    19,467.99/29,176.61 = 8,934.21/x
  3. Step 3: Cross multiply
    19,467.99x = 29,176.61 × 8,934.21
  4. Step 4: Simplify right side
    19,467.99x = 260,669,916.16
  5. Step 5: Solve for x
    x = 260,669,916.16/19,467.99
  6. Step 6: Final answer
    x = 13,389.67

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