Finding the Fourth Proportional to 1,481.89, 2,045.12 and 852.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.89 : 2,045.12 = 852.61 : x
2. Step 2: Convert to fraction form
   1,481.89/2,045.12 = 852.61/x
3. Step 3: Cross multiply
   1,481.89x = 2,045.12 × 852.61
4. Step 4: Simplify right side
   1,481.89x = 1,743,689.76
5. Step 5: Solve for x
   x = 1,743,689.76/1,481.89
6. Step 6: Final answer
   x = 1,176.67