Finding the Fourth Proportional to 2,533.64, 3,801.33 and 890.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.64 : 3,801.33 = 890.42 : x
2. Step 2: Convert to fraction form
   2,533.64/3,801.33 = 890.42/x
3. Step 3: Cross multiply
   2,533.64x = 3,801.33 × 890.42
4. Step 4: Simplify right side
   2,533.64x = 3,384,761.25
5. Step 5: Solve for x
   x = 3,384,761.25/2,533.64
6. Step 6: Final answer
   x = 1,335.93