Finding the Fourth Proportional to 17,605.40, 26,391.56 and 5,910.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,605.40 : 26,391.56 = 5,910.41 : x
2. Step 2: Convert to fraction form
   17,605.40/26,391.56 = 5,910.41/x
3. Step 3: Cross multiply
   17,605.40x = 26,391.56 × 5,910.41
4. Step 4: Simplify right side
   17,605.40x = 155,984,976.57
5. Step 5: Solve for x
   x = 155,984,976.57/17,605.40
6. Step 6: Final answer
   x = 8,860.07