Finding the Fourth Proportional to 22,517.46, 31,077.96 and 13,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,517.46 : 31,077.96 = 13,091.50 : x
2. Step 2: Convert to fraction form
   22,517.46/31,077.96 = 13,091.50/x
3. Step 3: Cross multiply
   22,517.46x = 31,077.96 × 13,091.50
4. Step 4: Simplify right side
   22,517.46x = 406,857,113.34
5. Step 5: Solve for x
   x = 406,857,113.34/22,517.46
6. Step 6: Final answer
   x = 18,068.52