Finding the Fourth Proportional to 1,626.78, 2,440.12 and 846.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.78 : 2,440.12 = 846.52 : x
2. Step 2: Convert to fraction form
   1,626.78/2,440.12 = 846.52/x
3. Step 3: Cross multiply
   1,626.78x = 2,440.12 × 846.52
4. Step 4: Simplify right side
   1,626.78x = 2,065,610.38
5. Step 5: Solve for x
   x = 2,065,610.38/1,626.78
6. Step 6: Final answer
   x = 1,269.75