Finding the Fourth Proportional to 2,381.60, 3,573.41 and 995.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.60 : 3,573.41 = 995.21 : x
2. Step 2: Convert to fraction form
   2,381.60/3,573.41 = 995.21/x
3. Step 3: Cross multiply
   2,381.60x = 3,573.41 × 995.21
4. Step 4: Simplify right side
   2,381.60x = 3,556,270.52
5. Step 5: Solve for x
   x = 3,556,270.52/2,381.60
6. Step 6: Final answer
   x = 1,493.23