Finding the Fourth Proportional to 8,008.76, 12,018.78 and 2,815.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,008.76 : 12,018.78 = 2,815.04 : x
2. Step 2: Convert to fraction form
   8,008.76/12,018.78 = 2,815.04/x
3. Step 3: Cross multiply
   8,008.76x = 12,018.78 × 2,815.04
4. Step 4: Simplify right side
   8,008.76x = 33,833,346.45
5. Step 5: Solve for x
   x = 33,833,346.45/8,008.76
6. Step 6: Final answer
   x = 4,224.54