Finding the Fourth Proportional to 11,471.31, 17,207.82 and 5,921.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,471.31 : 17,207.82 = 5,921.19 : x
2. Step 2: Convert to fraction form
   11,471.31/17,207.82 = 5,921.19/x
3. Step 3: Cross multiply
   11,471.31x = 17,207.82 × 5,921.19
4. Step 4: Simplify right side
   11,471.31x = 101,890,771.71
5. Step 5: Solve for x
   x = 101,890,771.71/11,471.31
6. Step 6: Final answer
   x = 8,882.23