Finding the Fourth Proportional to 1,630.94, 2,250.69 and 922.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.94 : 2,250.69 = 922.79 : x
2. Step 2: Convert to fraction form
   1,630.94/2,250.69 = 922.79/x
3. Step 3: Cross multiply
   1,630.94x = 2,250.69 × 922.79
4. Step 4: Simplify right side
   1,630.94x = 2,076,914.23
5. Step 5: Solve for x
   x = 2,076,914.23/1,630.94
6. Step 6: Final answer
   x = 1,273.45