Finding the Fourth Proportional to 22,817.09, 31,478.22 and 13,863.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,817.09 : 31,478.22 = 13,863.15 : x
2. Step 2: Convert to fraction form
   22,817.09/31,478.22 = 13,863.15/x
3. Step 3: Cross multiply
   22,817.09x = 31,478.22 × 13,863.15
4. Step 4: Simplify right side
   22,817.09x = 436,387,285.59
5. Step 5: Solve for x
   x = 436,387,285.59/22,817.09
6. Step 6: Final answer
   x = 19,125.46