Finding the Fourth Proportional to 22,576.88, 31,156.07 and 12,505.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.88 : 31,156.07 = 12,505.32 : x
2. Step 2: Convert to fraction form
   22,576.88/31,156.07 = 12,505.32/x
3. Step 3: Cross multiply
   22,576.88x = 31,156.07 × 12,505.32
4. Step 4: Simplify right side
   22,576.88x = 389,616,562.77
5. Step 5: Solve for x
   x = 389,616,562.77/22,576.88
6. Step 6: Final answer
   x = 17,257.32