Finding the Fourth Proportional to 1,648.22, 2,275.42 and 1,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.22 : 2,275.42 = 1,196.69 : x
2. Step 2: Convert to fraction form
   1,648.22/2,275.42 = 1,196.69/x
3. Step 3: Cross multiply
   1,648.22x = 2,275.42 × 1,196.69
4. Step 4: Simplify right side
   1,648.22x = 2,722,972.36
5. Step 5: Solve for x
   x = 2,722,972.36/1,648.22
6. Step 6: Final answer
   x = 1,652.07