Finding the Fourth Proportional to 5,399.86, 7,451.77 and 3,042.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.86 : 7,451.77 = 3,042.76 : x
2. Step 2: Convert to fraction form
   5,399.86/7,451.77 = 3,042.76/x
3. Step 3: Cross multiply
   5,399.86x = 7,451.77 × 3,042.76
4. Step 4: Simplify right side
   5,399.86x = 22,673,895.21
5. Step 5: Solve for x
   x = 22,673,895.21/5,399.86
6. Step 6: Final answer
   x = 4,198.98