Finding the Fourth Proportional to 2,279.92, 3,146.82 and 1,906.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.92 : 3,146.82 = 1,906.25 : x
2. Step 2: Convert to fraction form
   2,279.92/3,146.82 = 1,906.25/x
3. Step 3: Cross multiply
   2,279.92x = 3,146.82 × 1,906.25
4. Step 4: Simplify right side
   2,279.92x = 5,998,625.63
5. Step 5: Solve for x
   x = 5,998,625.63/2,279.92
6. Step 6: Final answer
   x = 2,631.07