Finding the Fourth Proportional to 22,850.88, 31,532.96 and 12,779.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,850.88 : 31,532.96 = 12,779.72 : x
2. Step 2: Convert to fraction form
   22,850.88/31,532.96 = 12,779.72/x
3. Step 3: Cross multiply
   22,850.88x = 31,532.96 × 12,779.72
4. Step 4: Simplify right side
   22,850.88x = 402,982,399.57
5. Step 5: Solve for x
   x = 402,982,399.57/22,850.88
6. Step 6: Final answer
   x = 17,635.31