Finding the Fourth Proportional to 2,091.32, 2,882.94 and 1,648.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.32 : 2,882.94 = 1,648.34 : x
2. Step 2: Convert to fraction form
   2,091.32/2,882.94 = 1,648.34/x
3. Step 3: Cross multiply
   2,091.32x = 2,882.94 × 1,648.34
4. Step 4: Simplify right side
   2,091.32x = 4,752,065.32
5. Step 5: Solve for x
   x = 4,752,065.32/2,091.32
6. Step 6: Final answer
   x = 2,272.28