Finding the Fourth Proportional to 2,566.15, 3,846.92 and 922.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.15 : 3,846.92 = 922.31 : x
2. Step 2: Convert to fraction form
   2,566.15/3,846.92 = 922.31/x
3. Step 3: Cross multiply
   2,566.15x = 3,846.92 × 922.31
4. Step 4: Simplify right side
   2,566.15x = 3,548,048.17
5. Step 5: Solve for x
   x = 3,548,048.17/2,566.15
6. Step 6: Final answer
   x = 1,382.63