Finding the Fourth Proportional to 10,266.76, 15,395.82 and 3,940.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.76 : 15,395.82 = 3,940.60 : x
2. Step 2: Convert to fraction form
   10,266.76/15,395.82 = 3,940.60/x
3. Step 3: Cross multiply
   10,266.76x = 15,395.82 × 3,940.60
4. Step 4: Simplify right side
   10,266.76x = 60,668,768.29
5. Step 5: Solve for x
   x = 60,668,768.29/10,266.76
6. Step 6: Final answer
   x = 5,909.24