Finding the Fourth Proportional to 2,533.72, 3,800.76 and 803.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.72 : 3,800.76 = 803.56 : x
2. Step 2: Convert to fraction form
   2,533.72/3,800.76 = 803.56/x
3. Step 3: Cross multiply
   2,533.72x = 3,800.76 × 803.56
4. Step 4: Simplify right side
   2,533.72x = 3,054,138.71
5. Step 5: Solve for x
   x = 3,054,138.71/2,533.72
6. Step 6: Final answer
   x = 1,205.40