Finding the Fourth Proportional to 22,925.55, 31,639.50 and 12,854.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,925.55 : 31,639.50 = 12,854.01 : x
2. Step 2: Convert to fraction form
   22,925.55/31,639.50 = 12,854.01/x
3. Step 3: Cross multiply
   22,925.55x = 31,639.50 × 12,854.01
4. Step 4: Simplify right side
   22,925.55x = 406,694,449.40
5. Step 5: Solve for x
   x = 406,694,449.40/22,925.55
6. Step 6: Final answer
   x = 17,739.79