Finding the Fourth Proportional to 7,066.36, 9,751.55 and 3,879.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,066.36 : 9,751.55 = 3,879.58 : x
2. Step 2: Convert to fraction form
   7,066.36/9,751.55 = 3,879.58/x
3. Step 3: Cross multiply
   7,066.36x = 9,751.55 × 3,879.58
4. Step 4: Simplify right side
   7,066.36x = 37,831,869.59
5. Step 5: Solve for x
   x = 37,831,869.59/7,066.36
6. Step 6: Final answer
   x = 5,353.80