Finding the Fourth Proportional to 9,906.77, 14,854.79 and 4,353.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.77 : 14,854.79 = 4,353.62 : x
2. Step 2: Convert to fraction form
   9,906.77/14,854.79 = 4,353.62/x
3. Step 3: Cross multiply
   9,906.77x = 14,854.79 × 4,353.62
4. Step 4: Simplify right side
   9,906.77x = 64,672,047.45
5. Step 5: Solve for x
   x = 64,672,047.45/9,906.77
6. Step 6: Final answer
   x = 6,528.06