Finding the Fourth Proportional to 22,654.17, 31,256.28 and 13,695.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,654.17 : 31,256.28 = 13,695.17 : x
2. Step 2: Convert to fraction form
   22,654.17/31,256.28 = 13,695.17/x
3. Step 3: Cross multiply
   22,654.17x = 31,256.28 × 13,695.17
4. Step 4: Simplify right side
   22,654.17x = 428,059,911.89
5. Step 5: Solve for x
   x = 428,059,911.89/22,654.17
6. Step 6: Final answer
   x = 18,895.41