Finding the Fourth Proportional to 2,632.71, 3,949.83 and 783.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.71 : 3,949.83 = 783.87 : x
2. Step 2: Convert to fraction form
   2,632.71/3,949.83 = 783.87/x
3. Step 3: Cross multiply
   2,632.71x = 3,949.83 × 783.87
4. Step 4: Simplify right side
   2,632.71x = 3,096,153.24
5. Step 5: Solve for x
   x = 3,096,153.24/2,632.71
6. Step 6: Final answer
   x = 1,176.03