Finding the Fourth Proportional to 2,308.38, 3,460.77 and 846.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.38 : 3,460.77 = 846.78 : x
2. Step 2: Convert to fraction form
   2,308.38/3,460.77 = 846.78/x
3. Step 3: Cross multiply
   2,308.38x = 3,460.77 × 846.78
4. Step 4: Simplify right side
   2,308.38x = 2,930,510.82
5. Step 5: Solve for x
   x = 2,930,510.82/2,308.38
6. Step 6: Final answer
   x = 1,269.51