Finding the Fourth Proportional to 22,532.72, 31,095.36 and 12,460.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,532.72 : 31,095.36 = 12,460.64 : x
2. Step 2: Convert to fraction form
   22,532.72/31,095.36 = 12,460.64/x
3. Step 3: Cross multiply
   22,532.72x = 31,095.36 × 12,460.64
4. Step 4: Simplify right side
   22,532.72x = 387,468,086.63
5. Step 5: Solve for x
   x = 387,468,086.63/22,532.72
6. Step 6: Final answer
   x = 17,195.80