Finding the Fourth Proportional to 11,600.72, 17,390.70 and 5,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,600.72 : 17,390.70 = 5,674.25 : x
2. Step 2: Convert to fraction form
   11,600.72/17,390.70 = 5,674.25/x
3. Step 3: Cross multiply
   11,600.72x = 17,390.70 × 5,674.25
4. Step 4: Simplify right side
   11,600.72x = 98,679,222.95
5. Step 5: Solve for x
   x = 98,679,222.95/11,600.72
6. Step 6: Final answer
   x = 8,506.30