Finding the Fourth Proportional to 22,752.96, 31,398.96 and 12,681.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,752.96 : 31,398.96 = 12,681.84 : x
2. Step 2: Convert to fraction form
   22,752.96/31,398.96 = 12,681.84/x
3. Step 3: Cross multiply
   22,752.96x = 31,398.96 × 12,681.84
4. Step 4: Simplify right side
   22,752.96x = 398,196,586.89
5. Step 5: Solve for x
   x = 398,196,586.89/22,752.96
6. Step 6: Final answer
   x = 17,500.87