Finding the Fourth Proportional to 1,648.33, 2,275.52 and 1,274.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.33 : 2,275.52 = 1,274.46 : x
2. Step 2: Convert to fraction form
   1,648.33/2,275.52 = 1,274.46/x
3. Step 3: Cross multiply
   1,648.33x = 2,275.52 × 1,274.46
4. Step 4: Simplify right side
   1,648.33x = 2,900,059.22
5. Step 5: Solve for x
   x = 2,900,059.22/1,648.33
6. Step 6: Final answer
   x = 1,759.39