Finding the Fourth Proportional to 3,920.29, 5,881.79 and 1,730.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920.29 : 5,881.79 = 1,730.59 : x
2. Step 2: Convert to fraction form
   3,920.29/5,881.79 = 1,730.59/x
3. Step 3: Cross multiply
   3,920.29x = 5,881.79 × 1,730.59
4. Step 4: Simplify right side
   3,920.29x = 10,178,966.96
5. Step 5: Solve for x
   x = 10,178,966.96/3,920.29
6. Step 6: Final answer
   x = 2,596.48