Finding the Fourth Proportional to 8,955.81, 12,345.89 and 8,022.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,955.81 : 12,345.89 = 8,022.69 : x
2. Step 2: Convert to fraction form
   8,955.81/12,345.89 = 8,022.69/x
3. Step 3: Cross multiply
   8,955.81x = 12,345.89 × 8,022.69
4. Step 4: Simplify right side
   8,955.81x = 99,047,208.13
5. Step 5: Solve for x
   x = 99,047,208.13/8,955.81
6. Step 6: Final answer
   x = 11,059.55