Finding the Fourth Proportional to 7,870.27, 10,854.52 and 5,743.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.27 : 10,854.52 = 5,743.41 : x
2. Step 2: Convert to fraction form
   7,870.27/10,854.52 = 5,743.41/x
3. Step 3: Cross multiply
   7,870.27x = 10,854.52 × 5,743.41
4. Step 4: Simplify right side
   7,870.27x = 62,341,944.35
5. Step 5: Solve for x
   x = 62,341,944.35/7,870.27
6. Step 6: Final answer
   x = 7,921.20