Finding the Fourth Proportional to 17,477.55, 24,142.10 and 12,949.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,477.55 : 24,142.10 = 12,949.43 : x
2. Step 2: Convert to fraction form
   17,477.55/24,142.10 = 12,949.43/x
3. Step 3: Cross multiply
   17,477.55x = 24,142.10 × 12,949.43
4. Step 4: Simplify right side
   17,477.55x = 312,626,248.55
5. Step 5: Solve for x
   x = 312,626,248.55/17,477.55
6. Step 6: Final answer
   x = 17,887.30