Finding the Fourth Proportional to 2,290.33, 3,159.52 and 1,543.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.33 : 3,159.52 = 1,543.33 : x
2. Step 2: Convert to fraction form
   2,290.33/3,159.52 = 1,543.33/x
3. Step 3: Cross multiply
   2,290.33x = 3,159.52 × 1,543.33
4. Step 4: Simplify right side
   2,290.33x = 4,876,182.00
5. Step 5: Solve for x
   x = 4,876,182.00/2,290.33
6. Step 6: Final answer
   x = 2,129.03