Finding the Fourth Proportional to 22,567.04, 31,142.64 and 12,495.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,567.04 : 31,142.64 = 12,495.80 : x
2. Step 2: Convert to fraction form
   22,567.04/31,142.64 = 12,495.80/x
3. Step 3: Cross multiply
   22,567.04x = 31,142.64 × 12,495.80
4. Step 4: Simplify right side
   22,567.04x = 389,152,200.91
5. Step 5: Solve for x
   x = 389,152,200.91/22,567.04
6. Step 6: Final answer
   x = 17,244.27