Finding the Fourth Proportional to 2,055.32, 2,835.83 and 1,391.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.32 : 2,835.83 = 1,391.93 : x
2. Step 2: Convert to fraction form
   2,055.32/2,835.83 = 1,391.93/x
3. Step 3: Cross multiply
   2,055.32x = 2,835.83 × 1,391.93
4. Step 4: Simplify right side
   2,055.32x = 3,947,266.15
5. Step 5: Solve for x
   x = 3,947,266.15/2,055.32
6. Step 6: Final answer
   x = 1,920.52