Finding the Fourth Proportional to 22,864.61, 31,554.38 and 12,792.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,864.61 : 31,554.38 = 12,792.45 : x
2. Step 2: Convert to fraction form
   22,864.61/31,554.38 = 12,792.45/x
3. Step 3: Cross multiply
   22,864.61x = 31,554.38 × 12,792.45
4. Step 4: Simplify right side
   22,864.61x = 403,657,828.43
5. Step 5: Solve for x
   x = 403,657,828.43/22,864.61
6. Step 6: Final answer
   x = 17,654.26