Finding the Fourth Proportional to 2,382.83, 3,287.20 and 1,543.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.83 : 3,287.20 = 1,543.82 : x
2. Step 2: Convert to fraction form
   2,382.83/3,287.20 = 1,543.82/x
3. Step 3: Cross multiply
   2,382.83x = 3,287.20 × 1,543.82
4. Step 4: Simplify right side
   2,382.83x = 5,074,833.03
5. Step 5: Solve for x
   x = 5,074,833.03/2,382.83
6. Step 6: Final answer
   x = 2,129.75