Finding the Fourth Proportional to 2,489.52, 3,734.69 and 846.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.52 : 3,734.69 = 846.30 : x
2. Step 2: Convert to fraction form
   2,489.52/3,734.69 = 846.30/x
3. Step 3: Cross multiply
   2,489.52x = 3,734.69 × 846.30
4. Step 4: Simplify right side
   2,489.52x = 3,160,663.92
5. Step 5: Solve for x
   x = 3,160,663.92/2,489.52
6. Step 6: Final answer
   x = 1,269.59