Finding the Fourth Proportional to 2,301.62, 3,176.12 and 1,306.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.62 : 3,176.12 = 1,306.77 : x
2. Step 2: Convert to fraction form
   2,301.62/3,176.12 = 1,306.77/x
3. Step 3: Cross multiply
   2,301.62x = 3,176.12 × 1,306.77
4. Step 4: Simplify right side
   2,301.62x = 4,150,458.33
5. Step 5: Solve for x
   x = 4,150,458.33/2,301.62
6. Step 6: Final answer
   x = 1,803.28