Finding the Fourth Proportional to 5,976.72, 8,247.60 and 3,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,976.72 : 8,247.60 = 3,618.72 : x
2. Step 2: Convert to fraction form
   5,976.72/8,247.60 = 3,618.72/x
3. Step 3: Cross multiply
   5,976.72x = 8,247.60 × 3,618.72
4. Step 4: Simplify right side
   5,976.72x = 29,845,755.07
5. Step 5: Solve for x
   x = 29,845,755.07/5,976.72
6. Step 6: Final answer
   x = 4,993.67