Finding the Fourth Proportional to 2,308.92, 3,462.03 and 846.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.92 : 3,462.03 = 846.78 : x
2. Step 2: Convert to fraction form
   2,308.92/3,462.03 = 846.78/x
3. Step 3: Cross multiply
   2,308.92x = 3,462.03 × 846.78
4. Step 4: Simplify right side
   2,308.92x = 2,931,577.76
5. Step 5: Solve for x
   x = 2,931,577.76/2,308.92
6. Step 6: Final answer
   x = 1,269.67