Finding the Fourth Proportional to 1,340.75, 1,850.33 and 899.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.75 : 1,850.33 = 899.39 : x
2. Step 2: Convert to fraction form
   1,340.75/1,850.33 = 899.39/x
3. Step 3: Cross multiply
   1,340.75x = 1,850.33 × 899.39
4. Step 4: Simplify right side
   1,340.75x = 1,664,168.30
5. Step 5: Solve for x
   x = 1,664,168.30/1,340.75
6. Step 6: Final answer
   x = 1,241.22