Finding the Fourth Proportional to 5,365.34, 8,060.38 and 5,143.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365.34 : 8,060.38 = 5,143.92 : x
2. Step 2: Convert to fraction form
   5,365.34/8,060.38 = 5,143.92/x
3. Step 3: Cross multiply
   5,365.34x = 8,060.38 × 5,143.92
4. Step 4: Simplify right side
   5,365.34x = 41,461,949.89
5. Step 5: Solve for x
   x = 41,461,949.89/5,365.34
6. Step 6: Final answer
   x = 7,727.74