Finding the Fourth Proportional to 6,117.90, 8,442.69 and 3,323.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,117.90 : 8,442.69 = 3,323.40 : x
2. Step 2: Convert to fraction form
   6,117.90/8,442.69 = 3,323.40/x
3. Step 3: Cross multiply
   6,117.90x = 8,442.69 × 3,323.40
4. Step 4: Simplify right side
   6,117.90x = 28,058,391.82
5. Step 5: Solve for x
   x = 28,058,391.82/6,117.90
6. Step 6: Final answer
   x = 4,586.28