Finding the Fourth Proportional to 3,926.90, 5,891.16 and 1,706.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.90 : 5,891.16 = 1,706.69 : x
2. Step 2: Convert to fraction form
   3,926.90/5,891.16 = 1,706.69/x
3. Step 3: Cross multiply
   3,926.90x = 5,891.16 × 1,706.69
4. Step 4: Simplify right side
   3,926.90x = 10,054,383.86
5. Step 5: Solve for x
   x = 10,054,383.86/3,926.90
6. Step 6: Final answer
   x = 2,560.39