Finding the Fourth Proportional to 1,846.90, 2,768.04 and 922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.90 : 2,768.04 = 922.72 : x
2. Step 2: Convert to fraction form
   1,846.90/2,768.04 = 922.72/x
3. Step 3: Cross multiply
   1,846.90x = 2,768.04 × 922.72
4. Step 4: Simplify right side
   1,846.90x = 2,554,118.95
5. Step 5: Solve for x
   x = 2,554,118.95/1,846.90
6. Step 6: Final answer
   x = 1,382.92