Finding the Fourth Proportional to 8,046.50, 12,069.90 and 2,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,046.50 : 12,069.90 = 2,499.80 : x
2. Step 2: Convert to fraction form
   8,046.50/12,069.90 = 2,499.80/x
3. Step 3: Cross multiply
   8,046.50x = 12,069.90 × 2,499.80
4. Step 4: Simplify right side
   8,046.50x = 30,172,336.02
5. Step 5: Solve for x
   x = 30,172,336.02/8,046.50
6. Step 6: Final answer
   x = 3,749.75