Finding the Fourth Proportional to 22,082.82, 30,478.86 and 13,589.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,082.82 : 30,478.86 = 13,589.16 : x
2. Step 2: Convert to fraction form
   22,082.82/30,478.86 = 13,589.16/x
3. Step 3: Cross multiply
   22,082.82x = 30,478.86 × 13,589.16
4. Step 4: Simplify right side
   22,082.82x = 414,182,105.16
5. Step 5: Solve for x
   x = 414,182,105.16/22,082.82
6. Step 6: Final answer
   x = 18,755.85