Finding the Fourth Proportional to 2,533.50, 3,800.79 and 994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.50 : 3,800.79 = 994.50 : x
2. Step 2: Convert to fraction form
   2,533.50/3,800.79 = 994.50/x
3. Step 3: Cross multiply
   2,533.50x = 3,800.79 × 994.50
4. Step 4: Simplify right side
   2,533.50x = 3,779,885.66
5. Step 5: Solve for x
   x = 3,779,885.66/2,533.50
6. Step 6: Final answer
   x = 1,491.96