Finding the Fourth Proportional to 9,105.28, 12,564.52 and 5,567.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.28 : 12,564.52 = 5,567.81 : x
2. Step 2: Convert to fraction form
   9,105.28/12,564.52 = 5,567.81/x
3. Step 3: Cross multiply
   9,105.28x = 12,564.52 × 5,567.81
4. Step 4: Simplify right side
   9,105.28x = 69,956,783.36
5. Step 5: Solve for x
   x = 69,956,783.36/9,105.28
6. Step 6: Final answer
   x = 7,683.10