Finding the Fourth Proportional to 9,906.57, 14,864.69 and 4,359.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.57 : 14,864.69 = 4,359.22 : x
2. Step 2: Convert to fraction form
   9,906.57/14,864.69 = 4,359.22/x
3. Step 3: Cross multiply
   9,906.57x = 14,864.69 × 4,359.22
4. Step 4: Simplify right side
   9,906.57x = 64,798,453.94
5. Step 5: Solve for x
   x = 64,798,453.94/9,906.57
6. Step 6: Final answer
   x = 6,540.96