Finding the Fourth Proportional to 1,630.59, 2,249.67 and 922.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.59 : 2,249.67 = 922.35 : x
2. Step 2: Convert to fraction form
   1,630.59/2,249.67 = 922.35/x
3. Step 3: Cross multiply
   1,630.59x = 2,249.67 × 922.35
4. Step 4: Simplify right side
   1,630.59x = 2,074,978.51
5. Step 5: Solve for x
   x = 2,074,978.51/1,630.59
6. Step 6: Final answer
   x = 1,272.53