Finding the Fourth Proportional to 2,155.32, 3,233.16 and 1,060.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.32 : 3,233.16 = 1,060.20 : x
2. Step 2: Convert to fraction form
   2,155.32/3,233.16 = 1,060.20/x
3. Step 3: Cross multiply
   2,155.32x = 3,233.16 × 1,060.20
4. Step 4: Simplify right side
   2,155.32x = 3,427,796.23
5. Step 5: Solve for x
   x = 3,427,796.23/2,155.32
6. Step 6: Final answer
   x = 1,590.39