Finding the Fourth Proportional to 3,773.99, 5,661.06 and 1,308.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.99 : 5,661.06 = 1,308.89 : x
2. Step 2: Convert to fraction form
   3,773.99/5,661.06 = 1,308.89/x
3. Step 3: Cross multiply
   3,773.99x = 5,661.06 × 1,308.89
4. Step 4: Simplify right side
   3,773.99x = 7,409,676.52
5. Step 5: Solve for x
   x = 7,409,676.52/3,773.99
6. Step 6: Final answer
   x = 1,963.36