Finding the Fourth Proportional to 13,269.65, 18,312.89 and 7,606.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,269.65 : 18,312.89 = 7,606.15 : x
2. Step 2: Convert to fraction form
   13,269.65/18,312.89 = 7,606.15/x
3. Step 3: Cross multiply
   13,269.65x = 18,312.89 × 7,606.15
4. Step 4: Simplify right side
   13,269.65x = 139,290,504.46
5. Step 5: Solve for x
   x = 139,290,504.46/13,269.65
6. Step 6: Final answer
   x = 10,496.93