Finding the Fourth Proportional to 22,705.95, 31,333.71 and 13,146.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.95 : 31,333.71 = 13,146.24 : x
2. Step 2: Convert to fraction form
   22,705.95/31,333.71 = 13,146.24/x
3. Step 3: Cross multiply
   22,705.95x = 31,333.71 × 13,146.24
4. Step 4: Simplify right side
   22,705.95x = 411,920,471.75
5. Step 5: Solve for x
   x = 411,920,471.75/22,705.95
6. Step 6: Final answer
   x = 18,141.52