Finding the Fourth Proportional to 2,533.41, 3,801.92 and 890.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.41 : 3,801.92 = 890.10 : x
2. Step 2: Convert to fraction form
   2,533.41/3,801.92 = 890.10/x
3. Step 3: Cross multiply
   2,533.41x = 3,801.92 × 890.10
4. Step 4: Simplify right side
   2,533.41x = 3,384,084.54
5. Step 5: Solve for x
   x = 3,384,084.54/2,533.41
6. Step 6: Final answer
   x = 1,335.78