Finding the Fourth Proportional to 2,382.70, 3,287.03 and 1,543.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.70 : 3,287.03 = 1,543.69 : x
2. Step 2: Convert to fraction form
   2,382.70/3,287.03 = 1,543.69/x
3. Step 3: Cross multiply
   2,382.70x = 3,287.03 × 1,543.69
4. Step 4: Simplify right side
   2,382.70x = 5,074,155.34
5. Step 5: Solve for x
   x = 5,074,155.34/2,382.70
6. Step 6: Final answer
   x = 2,129.58