Finding the Fourth Proportional to 1,633.85, 2,448.61 and 854.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.85 : 2,448.61 = 854.52 : x
2. Step 2: Convert to fraction form
   1,633.85/2,448.61 = 854.52/x
3. Step 3: Cross multiply
   1,633.85x = 2,448.61 × 854.52
4. Step 4: Simplify right side
   1,633.85x = 2,092,379.71
5. Step 5: Solve for x
   x = 2,092,379.71/1,633.85
6. Step 6: Final answer
   x = 1,280.64