Finding the Fourth Proportional to 17,596.99, 26,399.31 and 5,909.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,596.99 : 26,399.31 = 5,909.89 : x
2. Step 2: Convert to fraction form
   17,596.99/26,399.31 = 5,909.89/x
3. Step 3: Cross multiply
   17,596.99x = 26,399.31 × 5,909.89
4. Step 4: Simplify right side
   17,596.99x = 156,017,018.18
5. Step 5: Solve for x
   x = 156,017,018.18/17,596.99
6. Step 6: Final answer
   x = 8,866.12