Finding the Fourth Proportional to 1,469.72, 2,193.22 and 1,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.72 : 2,193.22 = 1,306.10 : x
2. Step 2: Convert to fraction form
   1,469.72/2,193.22 = 1,306.10/x
3. Step 3: Cross multiply
   1,469.72x = 2,193.22 × 1,306.10
4. Step 4: Simplify right side
   1,469.72x = 2,864,564.64
5. Step 5: Solve for x
   x = 2,864,564.64/1,469.72
6. Step 6: Final answer
   x = 1,949.05