Finding the Fourth Proportional to 5,597.50, 7,724.72 and 3,079.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,597.50 : 7,724.72 = 3,079.48 : x
2. Step 2: Convert to fraction form
   5,597.50/7,724.72 = 3,079.48/x
3. Step 3: Cross multiply
   5,597.50x = 7,724.72 × 3,079.48
4. Step 4: Simplify right side
   5,597.50x = 23,788,120.75
5. Step 5: Solve for x
   x = 23,788,120.75/5,597.50
6. Step 6: Final answer
   x = 4,249.78