Finding the Fourth Proportional to 2,191.32, 3,283.58 and 1,079.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.32 : 3,283.58 = 1,079.46 : x
2. Step 2: Convert to fraction form
   2,191.32/3,283.58 = 1,079.46/x
3. Step 3: Cross multiply
   2,191.32x = 3,283.58 × 1,079.46
4. Step 4: Simplify right side
   2,191.32x = 3,544,493.27
5. Step 5: Solve for x
   x = 3,544,493.27/2,191.32
6. Step 6: Final answer
   x = 1,617.52