Finding the Fourth Proportional to 3,950.96, 5,925.17 and 2,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950.96 : 5,925.17 = 2,196.80 : x
2. Step 2: Convert to fraction form
   3,950.96/5,925.17 = 2,196.80/x
3. Step 3: Cross multiply
   3,950.96x = 5,925.17 × 2,196.80
4. Step 4: Simplify right side
   3,950.96x = 13,016,433.76
5. Step 5: Solve for x
   x = 13,016,433.76/3,950.96
6. Step 6: Final answer
   x = 3,294.50