Finding the Fourth Proportional to 8,320.15, 12,482.34 and 2,476.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.15 : 12,482.34 = 2,476.81 : x
2. Step 2: Convert to fraction form
   8,320.15/12,482.34 = 2,476.81/x
3. Step 3: Cross multiply
   8,320.15x = 12,482.34 × 2,476.81
4. Step 4: Simplify right side
   8,320.15x = 30,916,384.54
5. Step 5: Solve for x
   x = 30,916,384.54/8,320.15
6. Step 6: Final answer
   x = 3,715.84