Finding the Fourth Proportional to 2,093.49, 3,137.49 and 859.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.49 : 3,137.49 = 859.45 : x
2. Step 2: Convert to fraction form
   2,093.49/3,137.49 = 859.45/x
3. Step 3: Cross multiply
   2,093.49x = 3,137.49 × 859.45
4. Step 4: Simplify right side
   2,093.49x = 2,696,515.78
5. Step 5: Solve for x
   x = 2,696,515.78/2,093.49
6. Step 6: Final answer
   x = 1,288.05