Finding the Fourth Proportional to 1,340.87, 1,850.50 and 751.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.87 : 1,850.50 = 751.39 : x
2. Step 2: Convert to fraction form
   1,340.87/1,850.50 = 751.39/x
3. Step 3: Cross multiply
   1,340.87x = 1,850.50 × 751.39
4. Step 4: Simplify right side
   1,340.87x = 1,390,449.69
5. Step 5: Solve for x
   x = 1,390,449.69/1,340.87
6. Step 6: Final answer
   x = 1,036.98