Finding the Fourth Proportional to 3,382.32, 5,062.86 and 2,151.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,382.32 : 5,062.86 = 2,151.12 : x
2. Step 2: Convert to fraction form
   3,382.32/5,062.86 = 2,151.12/x
3. Step 3: Cross multiply
   3,382.32x = 5,062.86 × 2,151.12
4. Step 4: Simplify right side
   3,382.32x = 10,890,819.40
5. Step 5: Solve for x
   x = 10,890,819.40/3,382.32
6. Step 6: Final answer
   x = 3,219.93