Finding the Fourth Proportional to 2,482.32, 3,423.72 and 2,331.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.32 : 3,423.72 = 2,331.12 : x
2. Step 2: Convert to fraction form
   2,482.32/3,423.72 = 2,331.12/x
3. Step 3: Cross multiply
   2,482.32x = 3,423.72 × 2,331.12
4. Step 4: Simplify right side
   2,482.32x = 7,981,102.17
5. Step 5: Solve for x
   x = 7,981,102.17/2,482.32
6. Step 6: Final answer
   x = 3,215.18