Finding the Fourth Proportional to 22,480.63, 31,022.86 and 12,409.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,480.63 : 31,022.86 = 12,409.39 : x
2. Step 2: Convert to fraction form
   22,480.63/31,022.86 = 12,409.39/x
3. Step 3: Cross multiply
   22,480.63x = 31,022.86 × 12,409.39
4. Step 4: Simplify right side
   22,480.63x = 384,974,768.66
5. Step 5: Solve for x
   x = 384,974,768.66/22,480.63
6. Step 6: Final answer
   x = 17,124.73