Finding the Fourth Proportional to 6,158.80, 8,499.42 and 3,506.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158.80 : 8,499.42 = 3,506.77 : x
2. Step 2: Convert to fraction form
   6,158.80/8,499.42 = 3,506.77/x
3. Step 3: Cross multiply
   6,158.80x = 8,499.42 × 3,506.77
4. Step 4: Simplify right side
   6,158.80x = 29,805,489.82
5. Step 5: Solve for x
   x = 29,805,489.82/6,158.80
6. Step 6: Final answer
   x = 4,839.50