Finding the Fourth Proportional to 22,118.82, 30,527.91 and 13,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,118.82 : 30,527.91 = 13,171.50 : x
2. Step 2: Convert to fraction form
   22,118.82/30,527.91 = 13,171.50/x
3. Step 3: Cross multiply
   22,118.82x = 30,527.91 × 13,171.50
4. Step 4: Simplify right side
   22,118.82x = 402,098,366.57
5. Step 5: Solve for x
   x = 402,098,366.57/22,118.82
6. Step 6: Final answer
   x = 18,179.02