Finding the Fourth Proportional to 2,380.67, 3,571.58 and 993.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.67 : 3,571.58 = 993.24 : x
2. Step 2: Convert to fraction form
   2,380.67/3,571.58 = 993.24/x
3. Step 3: Cross multiply
   2,380.67x = 3,571.58 × 993.24
4. Step 4: Simplify right side
   2,380.67x = 3,547,417.76
5. Step 5: Solve for x
   x = 3,547,417.76/2,380.67
6. Step 6: Final answer
   x = 1,490.09