Finding the Fourth Proportional to 9,022.05, 12,455.81 and 5,667.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.05 : 12,455.81 = 5,667.74 : x
2. Step 2: Convert to fraction form
   9,022.05/12,455.81 = 5,667.74/x
3. Step 3: Cross multiply
   9,022.05x = 12,455.81 × 5,667.74
4. Step 4: Simplify right side
   9,022.05x = 70,596,292.57
5. Step 5: Solve for x
   x = 70,596,292.57/9,022.05
6. Step 6: Final answer
   x = 7,824.86