Finding the Fourth Proportional to 2,280.06, 3,146.76 and 1,906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.06 : 3,146.76 = 1,906.38 : x
2. Step 2: Convert to fraction form
   2,280.06/3,146.76 = 1,906.38/x
3. Step 3: Cross multiply
   2,280.06x = 3,146.76 × 1,906.38
4. Step 4: Simplify right side
   2,280.06x = 5,998,920.33
5. Step 5: Solve for x
   x = 5,998,920.33/2,280.06
6. Step 6: Final answer
   x = 2,631.04