Finding the Fourth Proportional to 2,200.12, 3,300.87 and 1,323.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.12 : 3,300.87 = 1,323.58 : x
2. Step 2: Convert to fraction form
   2,200.12/3,300.87 = 1,323.58/x
3. Step 3: Cross multiply
   2,200.12x = 3,300.87 × 1,323.58
4. Step 4: Simplify right side
   2,200.12x = 4,368,965.51
5. Step 5: Solve for x
   x = 4,368,965.51/2,200.12
6. Step 6: Final answer
   x = 1,985.79