Finding the Fourth Proportional to 2,422.42, 3,630.36 and 1,121.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.42 : 3,630.36 = 1,121.02 : x
2. Step 2: Convert to fraction form
   2,422.42/3,630.36 = 1,121.02/x
3. Step 3: Cross multiply
   2,422.42x = 3,630.36 × 1,121.02
4. Step 4: Simplify right side
   2,422.42x = 4,069,706.17
5. Step 5: Solve for x
   x = 4,069,706.17/2,422.42
6. Step 6: Final answer
   x = 1,680.02