Finding the Fourth Proportional to 2,632.74, 3,949.86 and 783.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.74 : 3,949.86 = 783.93 : x
2. Step 2: Convert to fraction form
   2,632.74/3,949.86 = 783.93/x
3. Step 3: Cross multiply
   2,632.74x = 3,949.86 × 783.93
4. Step 4: Simplify right side
   2,632.74x = 3,096,413.75
5. Step 5: Solve for x
   x = 3,096,413.75/2,632.74
6. Step 6: Final answer
   x = 1,176.12