Finding the Fourth Proportional to 2,301.85, 3,176.54 and 1,253.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.85 : 3,176.54 = 1,253.91 : x
2. Step 2: Convert to fraction form
   2,301.85/3,176.54 = 1,253.91/x
3. Step 3: Cross multiply
   2,301.85x = 3,176.54 × 1,253.91
4. Step 4: Simplify right side
   2,301.85x = 3,983,095.27
5. Step 5: Solve for x
   x = 3,983,095.27/2,301.85
6. Step 6: Final answer
   x = 1,730.39