Finding the Fourth Proportional to 8,322.35, 12,485.61 and 2,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.35 : 12,485.61 = 2,478.96 : x
2. Step 2: Convert to fraction form
   8,322.35/12,485.61 = 2,478.96/x
3. Step 3: Cross multiply
   8,322.35x = 12,485.61 × 2,478.96
4. Step 4: Simplify right side
   8,322.35x = 30,951,327.77
5. Step 5: Solve for x
   x = 30,951,327.77/8,322.35
6. Step 6: Final answer
   x = 3,719.06