Finding the Fourth Proportional to 3,105.28, 4,659.72 and 1,373.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.28 : 4,659.72 = 1,373.86 : x
2. Step 2: Convert to fraction form
   3,105.28/4,659.72 = 1,373.86/x
3. Step 3: Cross multiply
   3,105.28x = 4,659.72 × 1,373.86
4. Step 4: Simplify right side
   3,105.28x = 6,401,802.92
5. Step 5: Solve for x
   x = 6,401,802.92/3,105.28
6. Step 6: Final answer
   x = 2,061.59