Finding the Fourth Proportional to 2,632.23, 3,948.71 and 783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.23 : 3,948.71 = 783.50 : x
2. Step 2: Convert to fraction form
   2,632.23/3,948.71 = 783.50/x
3. Step 3: Cross multiply
   2,632.23x = 3,948.71 × 783.50
4. Step 4: Simplify right side
   2,632.23x = 3,093,790.62
5. Step 5: Solve for x
   x = 3,093,790.62/2,632.23
6. Step 6: Final answer
   x = 1,175.35