Finding the Fourth Proportional to 2,188.83, 3,282.54 and 727.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.83 : 3,282.54 = 727.59 : x
2. Step 2: Convert to fraction form
   2,188.83/3,282.54 = 727.59/x
3. Step 3: Cross multiply
   2,188.83x = 3,282.54 × 727.59
4. Step 4: Simplify right side
   2,188.83x = 2,388,343.28
5. Step 5: Solve for x
   x = 2,388,343.28/2,188.83
6. Step 6: Final answer
   x = 1,091.15