Finding the Fourth Proportional to 22,959.60, 31,687.56 and 12,752.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,959.60 : 31,687.56 = 12,752.98 : x
2. Step 2: Convert to fraction form
   22,959.60/31,687.56 = 12,752.98/x
3. Step 3: Cross multiply
   22,959.60x = 31,687.56 × 12,752.98
4. Step 4: Simplify right side
   22,959.60x = 404,110,818.93
5. Step 5: Solve for x
   x = 404,110,818.93/22,959.60
6. Step 6: Final answer
   x = 17,600.95