Finding the Fourth Proportional to 2,565.57, 3,846.37 and 1,177.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.57 : 3,846.37 = 1,177.91 : x
2. Step 2: Convert to fraction form
   2,565.57/3,846.37 = 1,177.91/x
3. Step 3: Cross multiply
   2,565.57x = 3,846.37 × 1,177.91
4. Step 4: Simplify right side
   2,565.57x = 4,530,677.69
5. Step 5: Solve for x
   x = 4,530,677.69/2,565.57
6. Step 6: Final answer
   x = 1,765.95