Finding the Fourth Proportional to 6,449.98, 8,902.02 and 3,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,449.98 : 8,902.02 = 3,932.50 : x
2. Step 2: Convert to fraction form
   6,449.98/8,902.02 = 3,932.50/x
3. Step 3: Cross multiply
   6,449.98x = 8,902.02 × 3,932.50
4. Step 4: Simplify right side
   6,449.98x = 35,007,193.65
5. Step 5: Solve for x
   x = 35,007,193.65/6,449.98
6. Step 6: Final answer
   x = 5,427.49