Finding the Fourth Proportional to 5,591.20, 7,716.24 and 3,699.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591.20 : 7,716.24 = 3,699.52 : x
2. Step 2: Convert to fraction form
   5,591.20/7,716.24 = 3,699.52/x
3. Step 3: Cross multiply
   5,591.20x = 7,716.24 × 3,699.52
4. Step 4: Simplify right side
   5,591.20x = 28,546,397.91
5. Step 5: Solve for x
   x = 28,546,397.91/5,591.20
6. Step 6: Final answer
   x = 5,105.59