Finding the Fourth Proportional to 11,471.67, 17,170.58 and 5,917.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,471.67 : 17,170.58 = 5,917.38 : x
2. Step 2: Convert to fraction form
   11,471.67/17,170.58 = 5,917.38/x
3. Step 3: Cross multiply
   11,471.67x = 17,170.58 × 5,917.38
4. Step 4: Simplify right side
   11,471.67x = 101,604,760.83
5. Step 5: Solve for x
   x = 101,604,760.83/11,471.67
6. Step 6: Final answer
   x = 8,857.02