Finding the Fourth Proportional to 22,604.52, 31,187.99 and 13,043.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,604.52 : 31,187.99 = 13,043.75 : x
2. Step 2: Convert to fraction form
   22,604.52/31,187.99 = 13,043.75/x
3. Step 3: Cross multiply
   22,604.52x = 31,187.99 × 13,043.75
4. Step 4: Simplify right side
   22,604.52x = 406,808,191.72
5. Step 5: Solve for x
   x = 406,808,191.72/22,604.52
6. Step 6: Final answer
   x = 17,996.76