Finding the Fourth Proportional to 6,449.50, 8,900.31 and 3,798.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,449.50 : 8,900.31 = 3,798.55 : x
2. Step 2: Convert to fraction form
   6,449.50/8,900.31 = 3,798.55/x
3. Step 3: Cross multiply
   6,449.50x = 8,900.31 × 3,798.55
4. Step 4: Simplify right side
   6,449.50x = 33,808,272.55
5. Step 5: Solve for x
   x = 33,808,272.55/6,449.50
6. Step 6: Final answer
   x = 5,242.00