Finding the Fourth Proportional to 3,542.86, 5,315.13 and 1,077.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542.86 : 5,315.13 = 1,077.82 : x
2. Step 2: Convert to fraction form
   3,542.86/5,315.13 = 1,077.82/x
3. Step 3: Cross multiply
   3,542.86x = 5,315.13 × 1,077.82
4. Step 4: Simplify right side
   3,542.86x = 5,728,753.42
5. Step 5: Solve for x
   x = 5,728,753.42/3,542.86
6. Step 6: Final answer
   x = 1,616.99