Finding the Fourth Proportional to 22,641.12, 31,242.51 and 12,567.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641.12 : 31,242.51 = 12,567.15 : x
2. Step 2: Convert to fraction form
   22,641.12/31,242.51 = 12,567.15/x
3. Step 3: Cross multiply
   22,641.12x = 31,242.51 × 12,567.15
4. Step 4: Simplify right side
   22,641.12x = 392,629,309.55
5. Step 5: Solve for x
   x = 392,629,309.55/22,641.12
6. Step 6: Final answer
   x = 17,341.43