Finding the Fourth Proportional to 22,651.31, 31,259.69 and 12,580.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,651.31 : 31,259.69 = 12,580.52 : x
2. Step 2: Convert to fraction form
   22,651.31/31,259.69 = 12,580.52/x
3. Step 3: Cross multiply
   22,651.31x = 31,259.69 × 12,580.52
4. Step 4: Simplify right side
   22,651.31x = 393,262,983.21
5. Step 5: Solve for x
   x = 393,262,983.21/22,651.31
6. Step 6: Final answer
   x = 17,361.60