Finding the Fourth Proportional to 1,341.36, 1,850.96 and 899.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.36 : 1,850.96 = 899.18 : x
2. Step 2: Convert to fraction form
   1,341.36/1,850.96 = 899.18/x
3. Step 3: Cross multiply
   1,341.36x = 1,850.96 × 899.18
4. Step 4: Simplify right side
   1,341.36x = 1,664,346.21
5. Step 5: Solve for x
   x = 1,664,346.21/1,341.36
6. Step 6: Final answer
   x = 1,240.79