Finding the Fourth Proportional to 2,369.58, 3,270.15 and 1,321.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.58 : 3,270.15 = 1,321.62 : x
2. Step 2: Convert to fraction form
   2,369.58/3,270.15 = 1,321.62/x
3. Step 3: Cross multiply
   2,369.58x = 3,270.15 × 1,321.62
4. Step 4: Simplify right side
   2,369.58x = 4,321,895.64
5. Step 5: Solve for x
   x = 4,321,895.64/2,369.58
6. Step 6: Final answer
   x = 1,823.91