Finding the Fourth Proportional to 8,323.02, 12,482.40 and 2,478.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.02 : 12,482.40 = 2,478.30 : x
2. Step 2: Convert to fraction form
   8,323.02/12,482.40 = 2,478.30/x
3. Step 3: Cross multiply
   8,323.02x = 12,482.40 × 2,478.30
4. Step 4: Simplify right side
   8,323.02x = 30,935,131.92
5. Step 5: Solve for x
   x = 30,935,131.92/8,323.02
6. Step 6: Final answer
   x = 3,716.82