Finding the Fourth Proportional to 13,606.27, 18,777.50 and 9,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,606.27 : 18,777.50 = 9,061.16 : x
2. Step 2: Convert to fraction form
   13,606.27/18,777.50 = 9,061.16/x
3. Step 3: Cross multiply
   13,606.27x = 18,777.50 × 9,061.16
4. Step 4: Simplify right side
   13,606.27x = 170,145,792.71
5. Step 5: Solve for x
   x = 170,145,792.71/13,606.27
6. Step 6: Final answer
   x = 12,504.96