Finding the Fourth Proportional to 17,680.74, 26,520.42 and 5,993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.74 : 26,520.42 = 5,993.98 : x
2. Step 2: Convert to fraction form
   17,680.74/26,520.42 = 5,993.98/x
3. Step 3: Cross multiply
   17,680.74x = 26,520.42 × 5,993.98
4. Step 4: Simplify right side
   17,680.74x = 158,962,867.07
5. Step 5: Solve for x
   x = 158,962,867.07/17,680.74
6. Step 6: Final answer
   x = 8,990.74