Finding the Fourth Proportional to 3,661.96, 5,492.22 and 993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.96 : 5,492.22 = 993.50 : x
2. Step 2: Convert to fraction form
   3,661.96/5,492.22 = 993.50/x
3. Step 3: Cross multiply
   3,661.96x = 5,492.22 × 993.50
4. Step 4: Simplify right side
   3,661.96x = 5,456,520.57
5. Step 5: Solve for x
   x = 5,456,520.57/3,661.96
6. Step 6: Final answer
   x = 1,490.05