Finding the Fourth Proportional to 2,133.18, 3,200.22 and 899.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.18 : 3,200.22 = 899.82 : x
2. Step 2: Convert to fraction form
   2,133.18/3,200.22 = 899.82/x
3. Step 3: Cross multiply
   2,133.18x = 3,200.22 × 899.82
4. Step 4: Simplify right side
   2,133.18x = 2,879,621.96
5. Step 5: Solve for x
   x = 2,879,621.96/2,133.18
6. Step 6: Final answer
   x = 1,349.92