Finding the Fourth Proportional to 3,773.34, 5,660.61 and 1,308.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.34 : 5,660.61 = 1,308.90 : x
2. Step 2: Convert to fraction form
   3,773.34/5,660.61 = 1,308.90/x
3. Step 3: Cross multiply
   3,773.34x = 5,660.61 × 1,308.90
4. Step 4: Simplify right side
   3,773.34x = 7,409,172.43
5. Step 5: Solve for x
   x = 7,409,172.43/3,773.34
6. Step 6: Final answer
   x = 1,963.56