Finding the Fourth Proportional to 1,630.59, 2,250.25 and 922.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.59 : 2,250.25 = 922.38 : x
2. Step 2: Convert to fraction form
   1,630.59/2,250.25 = 922.38/x
3. Step 3: Cross multiply
   1,630.59x = 2,250.25 × 922.38
4. Step 4: Simplify right side
   1,630.59x = 2,075,574.85
5. Step 5: Solve for x
   x = 2,075,574.85/1,630.59
6. Step 6: Final answer
   x = 1,272.90