Finding the Fourth Proportional to 2,300.43, 3,175.31 and 1,306.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.43 : 3,175.31 = 1,306.37 : x
2. Step 2: Convert to fraction form
   2,300.43/3,175.31 = 1,306.37/x
3. Step 3: Cross multiply
   2,300.43x = 3,175.31 × 1,306.37
4. Step 4: Simplify right side
   2,300.43x = 4,148,129.72
5. Step 5: Solve for x
   x = 4,148,129.72/2,300.43
6. Step 6: Final answer
   x = 1,803.20