Finding the Fourth Proportional to 2,191.24, 3,022.56 and 1,306.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.24 : 3,022.56 = 1,306.48 : x
2. Step 2: Convert to fraction form
   2,191.24/3,022.56 = 1,306.48/x
3. Step 3: Cross multiply
   2,191.24x = 3,022.56 × 1,306.48
4. Step 4: Simplify right side
   2,191.24x = 3,948,914.19
5. Step 5: Solve for x
   x = 3,948,914.19/2,191.24
6. Step 6: Final answer
   x = 1,802.14