Finding the Fourth Proportional to 2,533.59, 3,802.23 and 1,440.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.59 : 3,802.23 = 1,440.09 : x
2. Step 2: Convert to fraction form
   2,533.59/3,802.23 = 1,440.09/x
3. Step 3: Cross multiply
   2,533.59x = 3,802.23 × 1,440.09
4. Step 4: Simplify right side
   2,533.59x = 5,475,553.40
5. Step 5: Solve for x
   x = 5,475,553.40/2,533.59
6. Step 6: Final answer
   x = 2,161.18