Finding the Fourth Proportional to 1,630.49, 2,249.84 and 922.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.49 : 2,249.84 = 922.15 : x
2. Step 2: Convert to fraction form
   1,630.49/2,249.84 = 922.15/x
3. Step 3: Cross multiply
   1,630.49x = 2,249.84 × 922.15
4. Step 4: Simplify right side
   1,630.49x = 2,074,674.10
5. Step 5: Solve for x
   x = 2,074,674.10/1,630.49
6. Step 6: Final answer
   x = 1,272.42