Finding the Fourth Proportional to 8,900.75, 12,268.89 and 7,009.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.75 : 12,268.89 = 7,009.34 : x
2. Step 2: Convert to fraction form
   8,900.75/12,268.89 = 7,009.34/x
3. Step 3: Cross multiply
   8,900.75x = 12,268.89 × 7,009.34
4. Step 4: Simplify right side
   8,900.75x = 85,996,760.09
5. Step 5: Solve for x
   x = 85,996,760.09/8,900.75
6. Step 6: Final answer
   x = 9,661.74