Finding the Fourth Proportional to 7,066.56, 9,751.20 and 3,922.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,066.56 : 9,751.20 = 3,922.56 : x
2. Step 2: Convert to fraction form
   7,066.56/9,751.20 = 3,922.56/x
3. Step 3: Cross multiply
   7,066.56x = 9,751.20 × 3,922.56
4. Step 4: Simplify right side
   7,066.56x = 38,249,667.07
5. Step 5: Solve for x
   x = 38,249,667.07/7,066.56
6. Step 6: Final answer
   x = 5,412.77