Finding the Fourth Proportional to 10,969.78, 16,457.63 and 3,950.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969.78 : 16,457.63 = 3,950.59 : x
2. Step 2: Convert to fraction form
   10,969.78/16,457.63 = 3,950.59/x
3. Step 3: Cross multiply
   10,969.78x = 16,457.63 × 3,950.59
4. Step 4: Simplify right side
   10,969.78x = 65,017,348.50
5. Step 5: Solve for x
   x = 65,017,348.50/10,969.78
6. Step 6: Final answer
   x = 5,926.95