Finding the Fourth Proportional to 22,854.86, 31,541.32 and 12,784.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,854.86 : 31,541.32 = 12,784.24 : x
2. Step 2: Convert to fraction form
   22,854.86/31,541.32 = 12,784.24/x
3. Step 3: Cross multiply
   22,854.86x = 31,541.32 × 12,784.24
4. Step 4: Simplify right side
   22,854.86x = 403,231,804.80
5. Step 5: Solve for x
   x = 403,231,804.80/22,854.86
6. Step 6: Final answer
   x = 17,643.15