Finding the Fourth Proportional to 2,632.87, 3,948.05 and 783.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.87 : 3,948.05 = 783.34 : x
2. Step 2: Convert to fraction form
   2,632.87/3,948.05 = 783.34/x
3. Step 3: Cross multiply
   2,632.87x = 3,948.05 × 783.34
4. Step 4: Simplify right side
   2,632.87x = 3,092,657.58
5. Step 5: Solve for x
   x = 3,092,657.58/2,632.87
6. Step 6: Final answer
   x = 1,174.63