Finding the Fourth Proportional to 17,387.83, 26,086.61 and 5,709.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,387.83 : 26,086.61 = 5,709.25 : x
2. Step 2: Convert to fraction form
   17,387.83/26,086.61 = 5,709.25/x
3. Step 3: Cross multiply
   17,387.83x = 26,086.61 × 5,709.25
4. Step 4: Simplify right side
   17,387.83x = 148,934,884.38
5. Step 5: Solve for x
   x = 148,934,884.38/17,387.83
6. Step 6: Final answer
   x = 8,565.47