Finding the Fourth Proportional to 13,564.50, 18,719.34 and 7,596.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,564.50 : 18,719.34 = 7,596.09 : x
2. Step 2: Convert to fraction form
   13,564.50/18,719.34 = 7,596.09/x
3. Step 3: Cross multiply
   13,564.50x = 18,719.34 × 7,596.09
4. Step 4: Simplify right side
   13,564.50x = 142,193,791.38
5. Step 5: Solve for x
   x = 142,193,791.38/13,564.50
6. Step 6: Final answer
   x = 10,482.79