Finding the Fourth Proportional to 22,585.63, 31,168.15 and 13,025.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,585.63 : 31,168.15 = 13,025.38 : x
2. Step 2: Convert to fraction form
   22,585.63/31,168.15 = 13,025.38/x
3. Step 3: Cross multiply
   22,585.63x = 31,168.15 × 13,025.38
4. Step 4: Simplify right side
   22,585.63x = 405,976,887.16
5. Step 5: Solve for x
   x = 405,976,887.16/22,585.63
6. Step 6: Final answer
   x = 17,975.01