Finding the Fourth Proportional to 6,117.55, 8,442.17 and 3,323.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,117.55 : 8,442.17 = 3,323.05 : x
2. Step 2: Convert to fraction form
   6,117.55/8,442.17 = 3,323.05/x
3. Step 3: Cross multiply
   6,117.55x = 8,442.17 × 3,323.05
4. Step 4: Simplify right side
   6,117.55x = 28,053,710.81
5. Step 5: Solve for x
   x = 28,053,710.81/6,117.55
6. Step 6: Final answer
   x = 4,585.78