Finding the Fourth Proportional to 2,181.20, 3,272.42 and 794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.20 : 3,272.42 = 794.50 : x
2. Step 2: Convert to fraction form
   2,181.20/3,272.42 = 794.50/x
3. Step 3: Cross multiply
   2,181.20x = 3,272.42 × 794.50
4. Step 4: Simplify right side
   2,181.20x = 2,599,931.50
5. Step 5: Solve for x
   x = 2,599,931.50/2,181.20
6. Step 6: Final answer
   x = 1,191.98