Finding the Fourth Proportional to 2,083.88, 3,126.96 and 851.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.88 : 3,126.96 = 851.42 : x
2. Step 2: Convert to fraction form
   2,083.88/3,126.96 = 851.42/x
3. Step 3: Cross multiply
   2,083.88x = 3,126.96 × 851.42
4. Step 4: Simplify right side
   2,083.88x = 2,662,356.28
5. Step 5: Solve for x
   x = 2,662,356.28/2,083.88
6. Step 6: Final answer
   x = 1,277.60