Finding the Fourth Proportional to 2,802.54, 3,867.51 and 1,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.54 : 3,867.51 = 1,543.50 : x
2. Step 2: Convert to fraction form
   2,802.54/3,867.51 = 1,543.50/x
3. Step 3: Cross multiply
   2,802.54x = 3,867.51 × 1,543.50
4. Step 4: Simplify right side
   2,802.54x = 5,969,501.69
5. Step 5: Solve for x
   x = 5,969,501.69/2,802.54
6. Step 6: Final answer
   x = 2,130.03