Finding the Fourth Proportional to 2,422.62, 3,338.55 and 1,635.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.62 : 3,338.55 = 1,635.30 : x
2. Step 2: Convert to fraction form
   2,422.62/3,338.55 = 1,635.30/x
3. Step 3: Cross multiply
   2,422.62x = 3,338.55 × 1,635.30
4. Step 4: Simplify right side
   2,422.62x = 5,459,530.82
5. Step 5: Solve for x
   x = 5,459,530.82/2,422.62
6. Step 6: Final answer
   x = 2,253.56