Finding the Fourth Proportional to 2,533.34, 3,797.58 and 800.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.34 : 3,797.58 = 800.78 : x
2. Step 2: Convert to fraction form
   2,533.34/3,797.58 = 800.78/x
3. Step 3: Cross multiply
   2,533.34x = 3,797.58 × 800.78
4. Step 4: Simplify right side
   2,533.34x = 3,041,026.11
5. Step 5: Solve for x
   x = 3,041,026.11/2,533.34
6. Step 6: Final answer
   x = 1,200.40