Finding the Fourth Proportional to 2,802.38, 3,867.23 and 1,543.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.38 : 3,867.23 = 1,543.43 : x
2. Step 2: Convert to fraction form
   2,802.38/3,867.23 = 1,543.43/x
3. Step 3: Cross multiply
   2,802.38x = 3,867.23 × 1,543.43
4. Step 4: Simplify right side
   2,802.38x = 5,968,771.75
5. Step 5: Solve for x
   x = 5,968,771.75/2,802.38
6. Step 6: Final answer
   x = 2,129.90