Finding the Fourth Proportional to 2,802.29, 3,867.22 and 1,543.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.29 : 3,867.22 = 1,543.42 : x
2. Step 2: Convert to fraction form
   2,802.29/3,867.22 = 1,543.42/x
3. Step 3: Cross multiply
   2,802.29x = 3,867.22 × 1,543.42
4. Step 4: Simplify right side
   2,802.29x = 5,968,731.17
5. Step 5: Solve for x
   x = 5,968,731.17/2,802.29
6. Step 6: Final answer
   x = 2,129.95