Finding the Fourth Proportional to 1,633.62, 2,448.72 and 1,242.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.62 : 2,448.72 = 1,242.54 : x
2. Step 2: Convert to fraction form
   1,633.62/2,448.72 = 1,242.54/x
3. Step 3: Cross multiply
   1,633.62x = 2,448.72 × 1,242.54
4. Step 4: Simplify right side
   1,633.62x = 3,042,632.55
5. Step 5: Solve for x
   x = 3,042,632.55/1,633.62
6. Step 6: Final answer
   x = 1,862.51