Finding the Fourth Proportional to 22,532.64, 31,092.33 and 12,459.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,532.64 : 31,092.33 = 12,459.72 : x
2. Step 2: Convert to fraction form
   22,532.64/31,092.33 = 12,459.72/x
3. Step 3: Cross multiply
   22,532.64x = 31,092.33 × 12,459.72
4. Step 4: Simplify right side
   22,532.64x = 387,401,725.95
5. Step 5: Solve for x
   x = 387,401,725.95/22,532.64
6. Step 6: Final answer
   x = 17,192.91