Finding the Fourth Proportional to 2,677.57, 4,016.69 and 922.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.57 : 4,016.69 = 922.12 : x
2. Step 2: Convert to fraction form
   2,677.57/4,016.69 = 922.12/x
3. Step 3: Cross multiply
   2,677.57x = 4,016.69 × 922.12
4. Step 4: Simplify right side
   2,677.57x = 3,703,870.18
5. Step 5: Solve for x
   x = 3,703,870.18/2,677.57
6. Step 6: Final answer
   x = 1,383.30