Finding the Fourth Proportional to 1,648.33, 2,274.81 and 1,059.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.33 : 2,274.81 = 1,059.05 : x
2. Step 2: Convert to fraction form
   1,648.33/2,274.81 = 1,059.05/x
3. Step 3: Cross multiply
   1,648.33x = 2,274.81 × 1,059.05
4. Step 4: Simplify right side
   1,648.33x = 2,409,137.53
5. Step 5: Solve for x
   x = 2,409,137.53/1,648.33
6. Step 6: Final answer
   x = 1,461.56