Finding the Fourth Proportional to 17,278.38, 25,912.17 and 5,589.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,278.38 : 25,912.17 = 5,589.18 : x
2. Step 2: Convert to fraction form
   17,278.38/25,912.17 = 5,589.18/x
3. Step 3: Cross multiply
   17,278.38x = 25,912.17 × 5,589.18
4. Step 4: Simplify right side
   17,278.38x = 144,827,782.32
5. Step 5: Solve for x
   x = 144,827,782.32/17,278.38
6. Step 6: Final answer
   x = 8,382.02