Finding the Fourth Proportional to 4,081.89, 6,118.94 and 1,306.77

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.89 : 6,118.94 = 1,306.77 : x
2. Step 2: Convert to fraction form
   4,081.89/6,118.94 = 1,306.77/x
3. Step 3: Cross multiply
   4,081.89x = 6,118.94 × 1,306.77
4. Step 4: Simplify right side
   4,081.89x = 7,996,047.22
5. Step 5: Solve for x
   x = 7,996,047.22/4,081.89
6. Step 6: Final answer
   x = 1,958.91