Finding the Fourth Proportional to 1,348.60, 1,860.82 and 851.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.60 : 1,860.82 = 851.92 : x
2. Step 2: Convert to fraction form
   1,348.60/1,860.82 = 851.92/x
3. Step 3: Cross multiply
   1,348.60x = 1,860.82 × 851.92
4. Step 4: Simplify right side
   1,348.60x = 1,585,269.77
5. Step 5: Solve for x
   x = 1,585,269.77/1,348.60
6. Step 6: Final answer
   x = 1,175.49