Finding the Fourth Proportional to 9,399.89, 14,105.91 and 4,475.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399.89 : 14,105.91 = 4,475.09 : x
2. Step 2: Convert to fraction form
   9,399.89/14,105.91 = 4,475.09/x
3. Step 3: Cross multiply
   9,399.89x = 14,105.91 × 4,475.09
4. Step 4: Simplify right side
   9,399.89x = 63,125,216.78
5. Step 5: Solve for x
   x = 63,125,216.78/9,399.89
6. Step 6: Final answer
   x = 6,715.53