Finding the Fourth Proportional to 22,548.45, 31,116.24 and 12,477.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,548.45 : 31,116.24 = 12,477.32 : x
2. Step 2: Convert to fraction form
   22,548.45/31,116.24 = 12,477.32/x
3. Step 3: Cross multiply
   22,548.45x = 31,116.24 × 12,477.32
4. Step 4: Simplify right side
   22,548.45x = 388,247,128.10
5. Step 5: Solve for x
   x = 388,247,128.10/22,548.45
6. Step 6: Final answer
   x = 17,218.35