Finding the Fourth Proportional to 2,533.20, 3,800.18 and 889.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.20 : 3,800.18 = 889.46 : x
2. Step 2: Convert to fraction form
   2,533.20/3,800.18 = 889.46/x
3. Step 3: Cross multiply
   2,533.20x = 3,800.18 × 889.46
4. Step 4: Simplify right side
   2,533.20x = 3,380,089.10
5. Step 5: Solve for x
   x = 3,380,089.10/2,533.20
6. Step 6: Final answer
   x = 1,334.32