Finding the Fourth Proportional to 3,710.96, 5,565.57 and 1,077.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.96 : 5,565.57 = 1,077.77 : x
2. Step 2: Convert to fraction form
   3,710.96/5,565.57 = 1,077.77/x
3. Step 3: Cross multiply
   3,710.96x = 5,565.57 × 1,077.77
4. Step 4: Simplify right side
   3,710.96x = 5,998,404.38
5. Step 5: Solve for x
   x = 5,998,404.38/3,710.96
6. Step 6: Final answer
   x = 1,616.40