Finding the Fourth Proportional to 10,200.10, 15,290.76 and 3,964.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.10 : 15,290.76 = 3,964.26 : x
2. Step 2: Convert to fraction form
   10,200.10/15,290.76 = 3,964.26/x
3. Step 3: Cross multiply
   10,200.10x = 15,290.76 × 3,964.26
4. Step 4: Simplify right side
   10,200.10x = 60,616,548.24
5. Step 5: Solve for x
   x = 60,616,548.24/10,200.10
6. Step 6: Final answer
   x = 5,942.74