Finding the Fourth Proportional to 17,881.08, 24,658.92 and 13,031.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,881.08 : 24,658.92 = 13,031.42 : x
2. Step 2: Convert to fraction form
   17,881.08/24,658.92 = 13,031.42/x
3. Step 3: Cross multiply
   17,881.08x = 24,658.92 × 13,031.42
4. Step 4: Simplify right side
   17,881.08x = 321,340,743.27
5. Step 5: Solve for x
   x = 321,340,743.27/17,881.08
6. Step 6: Final answer
   x = 17,970.99