Finding the Fourth Proportional to 2,301.31, 3,175.70 and 1,306.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.31 : 3,175.70 = 1,306.46 : x
2. Step 2: Convert to fraction form
   2,301.31/3,175.70 = 1,306.46/x
3. Step 3: Cross multiply
   2,301.31x = 3,175.70 × 1,306.46
4. Step 4: Simplify right side
   2,301.31x = 4,148,902.61
5. Step 5: Solve for x
   x = 4,148,902.61/2,301.31
6. Step 6: Final answer
   x = 1,802.85