Finding the Fourth Proportional to 2,417.86, 3,627.11 and 773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.86 : 3,627.11 = 773.83 : x
2. Step 2: Convert to fraction form
   2,417.86/3,627.11 = 773.83/x
3. Step 3: Cross multiply
   2,417.86x = 3,627.11 × 773.83
4. Step 4: Simplify right side
   2,417.86x = 2,806,766.53
5. Step 5: Solve for x
   x = 2,806,766.53/2,417.86
6. Step 6: Final answer
   x = 1,160.85