Finding the Fourth Proportional to 2,931.48, 4,073.85 and 2,894.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.48 : 4,073.85 = 2,894.76 : x
2. Step 2: Convert to fraction form
   2,931.48/4,073.85 = 2,894.76/x
3. Step 3: Cross multiply
   2,931.48x = 4,073.85 × 2,894.76
4. Step 4: Simplify right side
   2,931.48x = 11,792,818.03
5. Step 5: Solve for x
   x = 11,792,818.03/2,931.48
6. Step 6: Final answer
   x = 4,022.82