Finding the Fourth Proportional to 2,055.83, 2,839.38 and 1,382.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.83 : 2,839.38 = 1,382.47 : x
2. Step 2: Convert to fraction form
   2,055.83/2,839.38 = 1,382.47/x
3. Step 3: Cross multiply
   2,055.83x = 2,839.38 × 1,382.47
4. Step 4: Simplify right side
   2,055.83x = 3,925,357.67
5. Step 5: Solve for x
   x = 3,925,357.67/2,055.83
6. Step 6: Final answer
   x = 1,909.38