Finding the Fourth Proportional to 22,960.66, 31,688.88 and 12,753.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,960.66 : 31,688.88 = 12,753.98 : x
2. Step 2: Convert to fraction form
   22,960.66/31,688.88 = 12,753.98/x
3. Step 3: Cross multiply
   22,960.66x = 31,688.88 × 12,753.98
4. Step 4: Simplify right side
   22,960.66x = 404,159,341.74
5. Step 5: Solve for x
   x = 404,159,341.74/22,960.66
6. Step 6: Final answer
   x = 17,602.25