Finding the Fourth Proportional to 6,449.42, 8,899.83 and 3,616.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,449.42 : 8,899.83 = 3,616.58 : x
2. Step 2: Convert to fraction form
   6,449.42/8,899.83 = 3,616.58/x
3. Step 3: Cross multiply
   6,449.42x = 8,899.83 × 3,616.58
4. Step 4: Simplify right side
   6,449.42x = 32,186,947.18
5. Step 5: Solve for x
   x = 32,186,947.18/6,449.42
6. Step 6: Final answer
   x = 4,990.67