Finding the Fourth Proportional to 22,544.18, 31,109.01 and 12,472.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,544.18 : 31,109.01 = 12,472.46 : x
2. Step 2: Convert to fraction form
   22,544.18/31,109.01 = 12,472.46/x
3. Step 3: Cross multiply
   22,544.18x = 31,109.01 × 12,472.46
4. Step 4: Simplify right side
   22,544.18x = 388,005,882.86
5. Step 5: Solve for x
   x = 388,005,882.86/22,544.18
6. Step 6: Final answer
   x = 17,210.91