Finding the Fourth Proportional to 2,802.52, 3,867.33 and 1,543.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.52 : 3,867.33 = 1,543.75 : x
2. Step 2: Convert to fraction form
   2,802.52/3,867.33 = 1,543.75/x
3. Step 3: Cross multiply
   2,802.52x = 3,867.33 × 1,543.75
4. Step 4: Simplify right side
   2,802.52x = 5,970,190.69
5. Step 5: Solve for x
   x = 5,970,190.69/2,802.52
6. Step 6: Final answer
   x = 2,130.29