Finding the Fourth Proportional to 13,516.50, 18,651.98 and 7,548.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,516.50 : 18,651.98 = 7,548.56 : x
2. Step 2: Convert to fraction form
   13,516.50/18,651.98 = 7,548.56/x
3. Step 3: Cross multiply
   13,516.50x = 18,651.98 × 7,548.56
4. Step 4: Simplify right side
   13,516.50x = 140,795,590.15
5. Step 5: Solve for x
   x = 140,795,590.15/13,516.50
6. Step 6: Final answer
   x = 10,416.57