Finding the Fourth Proportional to 2,320.32, 3,478.05 and 1,442.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.32 : 3,478.05 = 1,442.82 : x
2. Step 2: Convert to fraction form
   2,320.32/3,478.05 = 1,442.82/x
3. Step 3: Cross multiply
   2,320.32x = 3,478.05 × 1,442.82
4. Step 4: Simplify right side
   2,320.32x = 5,018,200.10
5. Step 5: Solve for x
   x = 5,018,200.10/2,320.32
6. Step 6: Final answer
   x = 2,162.72