Finding the Fourth Proportional to 2,632.42, 3,948.32 and 783.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.42 : 3,948.32 = 783.35 : x
2. Step 2: Convert to fraction form
   2,632.42/3,948.32 = 783.35/x
3. Step 3: Cross multiply
   2,632.42x = 3,948.32 × 783.35
4. Step 4: Simplify right side
   2,632.42x = 3,092,916.47
5. Step 5: Solve for x
   x = 3,092,916.47/2,632.42
6. Step 6: Final answer
   x = 1,174.93