Finding the Fourth Proportional to 3,246.86, 4,482.72 and 2,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,246.86 : 4,482.72 = 2,499.42 : x
2. Step 2: Convert to fraction form
   3,246.86/4,482.72 = 2,499.42/x
3. Step 3: Cross multiply
   3,246.86x = 4,482.72 × 2,499.42
4. Step 4: Simplify right side
   3,246.86x = 11,204,200.02
5. Step 5: Solve for x
   x = 11,204,200.02/3,246.86
6. Step 6: Final answer
   x = 3,450.78