Finding the Fourth Proportional to 2,321.69, 3,482.38 and 1,089.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.69 : 3,482.38 = 1,089.37 : x
2. Step 2: Convert to fraction form
   2,321.69/3,482.38 = 1,089.37/x
3. Step 3: Cross multiply
   2,321.69x = 3,482.38 × 1,089.37
4. Step 4: Simplify right side
   2,321.69x = 3,793,600.30
5. Step 5: Solve for x
   x = 3,793,600.30/2,321.69
6. Step 6: Final answer
   x = 1,633.98