Finding the Fourth Proportional to 2,772.03, 4,154.91 and 922.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.03 : 4,154.91 = 922.71 : x
2. Step 2: Convert to fraction form
   2,772.03/4,154.91 = 922.71/x
3. Step 3: Cross multiply
   2,772.03x = 4,154.91 × 922.71
4. Step 4: Simplify right side
   2,772.03x = 3,833,777.01
5. Step 5: Solve for x
   x = 3,833,777.01/2,772.03
6. Step 6: Final answer
   x = 1,383.02