Finding the Fourth Proportional to 22,828.52, 31,502.75 and 12,757.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,828.52 : 31,502.75 = 12,757.04 : x
2. Step 2: Convert to fraction form
   22,828.52/31,502.75 = 12,757.04/x
3. Step 3: Cross multiply
   22,828.52x = 31,502.75 × 12,757.04
4. Step 4: Simplify right side
   22,828.52x = 401,881,841.86
5. Step 5: Solve for x
   x = 401,881,841.86/22,828.52
6. Step 6: Final answer
   x = 17,604.38