Finding the Fourth Proportional to 2,771.69, 4,157.06 and 922.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.69 : 4,157.06 = 922.59 : x
2. Step 2: Convert to fraction form
   2,771.69/4,157.06 = 922.59/x
3. Step 3: Cross multiply
   2,771.69x = 4,157.06 × 922.59
4. Step 4: Simplify right side
   2,771.69x = 3,835,257.37
5. Step 5: Solve for x
   x = 3,835,257.37/2,771.69
6. Step 6: Final answer
   x = 1,383.73