Finding the Fourth Proportional to 3,773.89, 5,660.91 and 1,308.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.89 : 5,660.91 = 1,308.79 : x
2. Step 2: Convert to fraction form
   3,773.89/5,660.91 = 1,308.79/x
3. Step 3: Cross multiply
   3,773.89x = 5,660.91 × 1,308.79
4. Step 4: Simplify right side
   3,773.89x = 7,408,949.48
5. Step 5: Solve for x
   x = 7,408,949.48/3,773.89
6. Step 6: Final answer
   x = 1,963.21