Finding the Fourth Proportional to 9,669.35, 14,500.69 and 4,991.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,669.35 : 14,500.69 = 4,991.81 : x
2. Step 2: Convert to fraction form
   9,669.35/14,500.69 = 4,991.81/x
3. Step 3: Cross multiply
   9,669.35x = 14,500.69 × 4,991.81
4. Step 4: Simplify right side
   9,669.35x = 72,384,604.37
5. Step 5: Solve for x
   x = 72,384,604.37/9,669.35
6. Step 6: Final answer
   x = 7,485.98