Finding the Fourth Proportional to 2,191.94, 3,287.98 and 731.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.94 : 3,287.98 = 731.24 : x
2. Step 2: Convert to fraction form
   2,191.94/3,287.98 = 731.24/x
3. Step 3: Cross multiply
   2,191.94x = 3,287.98 × 731.24
4. Step 4: Simplify right side
   2,191.94x = 2,404,302.50
5. Step 5: Solve for x
   x = 2,404,302.50/2,191.94
6. Step 6: Final answer
   x = 1,096.88