Finding the Fourth Proportional to 8,288.38, 12,432.84 and 2,742.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,288.38 : 12,432.84 = 2,742.04 : x
2. Step 2: Convert to fraction form
   8,288.38/12,432.84 = 2,742.04/x
3. Step 3: Cross multiply
   8,288.38x = 12,432.84 × 2,742.04
4. Step 4: Simplify right side
   8,288.38x = 34,091,344.59
5. Step 5: Solve for x
   x = 34,091,344.59/8,288.38
6. Step 6: Final answer
   x = 4,113.15