Finding the Fourth Proportional to 2,076.95, 3,113.87 and 906.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.95 : 3,113.87 = 906.73 : x
2. Step 2: Convert to fraction form
   2,076.95/3,113.87 = 906.73/x
3. Step 3: Cross multiply
   2,076.95x = 3,113.87 × 906.73
4. Step 4: Simplify right side
   2,076.95x = 2,823,423.78
5. Step 5: Solve for x
   x = 2,823,423.78/2,076.95
6. Step 6: Final answer
   x = 1,359.41