Finding the Fourth Proportional to 6,449.31, 9,674.55 and 2,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,449.31 : 9,674.55 = 2,499.30 : x
2. Step 2: Convert to fraction form
   6,449.31/9,674.55 = 2,499.30/x
3. Step 3: Cross multiply
   6,449.31x = 9,674.55 × 2,499.30
4. Step 4: Simplify right side
   6,449.31x = 24,179,602.82
5. Step 5: Solve for x
   x = 24,179,602.82/6,449.31
6. Step 6: Final answer
   x = 3,749.18