Finding the Fourth Proportional to 1,633.92, 2,448.72 and 1,219.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.92 : 2,448.72 = 1,219.74 : x
2. Step 2: Convert to fraction form
   1,633.92/2,448.72 = 1,219.74/x
3. Step 3: Cross multiply
   1,633.92x = 2,448.72 × 1,219.74
4. Step 4: Simplify right side
   1,633.92x = 2,986,801.73
5. Step 5: Solve for x
   x = 2,986,801.73/1,633.92
6. Step 6: Final answer
   x = 1,828.00