Finding the Fourth Proportional to 2,233.09, 3,081.81 and 1,533.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.09 : 3,081.81 = 1,533.25 : x
2. Step 2: Convert to fraction form
   2,233.09/3,081.81 = 1,533.25/x
3. Step 3: Cross multiply
   2,233.09x = 3,081.81 × 1,533.25
4. Step 4: Simplify right side
   2,233.09x = 4,725,185.18
5. Step 5: Solve for x
   x = 4,725,185.18/2,233.09
6. Step 6: Final answer
   x = 2,115.99