Finding the Fourth Proportional to 6,242.80, 8,616.72 and 3,590.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,242.80 : 8,616.72 = 3,590.52 : x
2. Step 2: Convert to fraction form
   6,242.80/8,616.72 = 3,590.52/x
3. Step 3: Cross multiply
   6,242.80x = 8,616.72 × 3,590.52
4. Step 4: Simplify right side
   6,242.80x = 30,938,505.49
5. Step 5: Solve for x
   x = 30,938,505.49/6,242.80
6. Step 6: Final answer
   x = 4,955.87