Finding the Fourth Proportional to 3,948.78, 5,929.32 and 3,773.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,948.78 : 5,929.32 = 3,773.49 : x
2. Step 2: Convert to fraction form
   3,948.78/5,929.32 = 3,773.49/x
3. Step 3: Cross multiply
   3,948.78x = 5,929.32 × 3,773.49
4. Step 4: Simplify right side
   3,948.78x = 22,374,229.73
5. Step 5: Solve for x
   x = 22,374,229.73/3,948.78
6. Step 6: Final answer
   x = 5,666.11