Finding the Fourth Proportional to 2,533.66, 3,797.89 and 1,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.66 : 3,797.89 = 1,215.50 : x
2. Step 2: Convert to fraction form
   2,533.66/3,797.89 = 1,215.50/x
3. Step 3: Cross multiply
   2,533.66x = 3,797.89 × 1,215.50
4. Step 4: Simplify right side
   2,533.66x = 4,616,313.27
5. Step 5: Solve for x
   x = 4,616,313.27/2,533.66
6. Step 6: Final answer
   x = 1,822.00