Finding the Fourth Proportional to 2,533.86, 3,799.56 and 890.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.86 : 3,799.56 = 890.22 : x
2. Step 2: Convert to fraction form
   2,533.86/3,799.56 = 890.22/x
3. Step 3: Cross multiply
   2,533.86x = 3,799.56 × 890.22
4. Step 4: Simplify right side
   2,533.86x = 3,382,444.30
5. Step 5: Solve for x
   x = 3,382,444.30/2,533.86
6. Step 6: Final answer
   x = 1,334.90