Finding the Fourth Proportional to 1,630.34, 2,250.18 and 922.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.34 : 2,250.18 = 922.18 : x
2. Step 2: Convert to fraction form
   1,630.34/2,250.18 = 922.18/x
3. Step 3: Cross multiply
   1,630.34x = 2,250.18 × 922.18
4. Step 4: Simplify right side
   1,630.34x = 2,075,077.26
5. Step 5: Solve for x
   x = 2,075,077.26/1,630.34
6. Step 6: Final answer
   x = 1,272.79