Finding the Fourth Proportional to 1,508.52, 2,081.57 and 845.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508.52 : 2,081.57 = 845.33 : x
2. Step 2: Convert to fraction form
   1,508.52/2,081.57 = 845.33/x
3. Step 3: Cross multiply
   1,508.52x = 2,081.57 × 845.33
4. Step 4: Simplify right side
   1,508.52x = 1,759,613.57
5. Step 5: Solve for x
   x = 1,759,613.57/1,508.52
6. Step 6: Final answer
   x = 1,166.45