Finding the Fourth Proportional to 9,127.89, 13,688.49 and 4,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,127.89 : 13,688.49 = 4,446.50 : x
2. Step 2: Convert to fraction form
   9,127.89/13,688.49 = 4,446.50/x
3. Step 3: Cross multiply
   9,127.89x = 13,688.49 × 4,446.50
4. Step 4: Simplify right side
   9,127.89x = 60,865,870.79
5. Step 5: Solve for x
   x = 60,865,870.79/9,127.89
6. Step 6: Final answer
   x = 6,668.12