Finding the Fourth Proportional to 5,591.83, 8,345.87 and 5,499.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591.83 : 8,345.87 = 5,499.56 : x
2. Step 2: Convert to fraction form
   5,591.83/8,345.87 = 5,499.56/x
3. Step 3: Cross multiply
   5,591.83x = 8,345.87 × 5,499.56
4. Step 4: Simplify right side
   5,591.83x = 45,898,543.59
5. Step 5: Solve for x
   x = 45,898,543.59/5,591.83
6. Step 6: Final answer
   x = 8,208.15