Finding the Fourth Proportional to 13,519, 18,656.18 and 7,550.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,519 : 18,656.18 = 7,550.67 : x
2. Step 2: Convert to fraction form
   13,519/18,656.18 = 7,550.67/x
3. Step 3: Cross multiply
   13,519x = 18,656.18 × 7,550.67
4. Step 4: Simplify right side
   13,519x = 140,866,620.89
5. Step 5: Solve for x
   x = 140,866,620.89/13,519
6. Step 6: Final answer
   x = 10,419.90