Finding the Fourth Proportional to 3,773.92, 5,659.60 and 1,308.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.92 : 5,659.60 = 1,308.16 : x
2. Step 2: Convert to fraction form
   3,773.92/5,659.60 = 1,308.16/x
3. Step 3: Cross multiply
   3,773.92x = 5,659.60 × 1,308.16
4. Step 4: Simplify right side
   3,773.92x = 7,403,662.34
5. Step 5: Solve for x
   x = 7,403,662.34/3,773.92
6. Step 6: Final answer
   x = 1,961.80