Finding the Fourth Proportional to 22,585.50, 31,167.99 and 13,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,585.50 : 31,167.99 = 13,753.50 : x
2. Step 2: Convert to fraction form
   22,585.50/31,167.99 = 13,753.50/x
3. Step 3: Cross multiply
   22,585.50x = 31,167.99 × 13,753.50
4. Step 4: Simplify right side
   22,585.50x = 428,668,950.47
5. Step 5: Solve for x
   x = 428,668,950.47/22,585.50
6. Step 6: Final answer
   x = 18,979.83