Finding the Fourth Proportional to 7,743.36, 10,686.06 and 4,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,743.36 : 10,686.06 = 4,386.10 : x
2. Step 2: Convert to fraction form
   7,743.36/10,686.06 = 4,386.10/x
3. Step 3: Cross multiply
   7,743.36x = 10,686.06 × 4,386.10
4. Step 4: Simplify right side
   7,743.36x = 46,870,127.77
5. Step 5: Solve for x
   x = 46,870,127.77/7,743.36
6. Step 6: Final answer
   x = 6,052.94