Finding the Fourth Proportional to 2,382.66, 3,287.16 and 1,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.66 : 3,287.16 = 1,543.50 : x
2. Step 2: Convert to fraction form
   2,382.66/3,287.16 = 1,543.50/x
3. Step 3: Cross multiply
   2,382.66x = 3,287.16 × 1,543.50
4. Step 4: Simplify right side
   2,382.66x = 5,073,731.46
5. Step 5: Solve for x
   x = 5,073,731.46/2,382.66
6. Step 6: Final answer
   x = 2,129.44