Finding the Fourth Proportional to 1,630.96, 2,250.16 and 922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.96 : 2,250.16 = 922.72 : x
2. Step 2: Convert to fraction form
   1,630.96/2,250.16 = 922.72/x
3. Step 3: Cross multiply
   1,630.96x = 2,250.16 × 922.72
4. Step 4: Simplify right side
   1,630.96x = 2,076,267.64
5. Step 5: Solve for x
   x = 2,076,267.64/1,630.96
6. Step 6: Final answer
   x = 1,273.03