Finding the Fourth Proportional to 2,200.15, 3,300.83 and 1,788.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.15 : 3,300.83 = 1,788.27 : x
2. Step 2: Convert to fraction form
   2,200.15/3,300.83 = 1,788.27/x
3. Step 3: Cross multiply
   2,200.15x = 3,300.83 × 1,788.27
4. Step 4: Simplify right side
   2,200.15x = 5,902,775.26
5. Step 5: Solve for x
   x = 5,902,775.26/2,200.15
6. Step 6: Final answer
   x = 2,682.90