Finding the Fourth Proportional to 13,516.98, 18,653.82 and 7,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,516.98 : 18,653.82 = 7,548.50 : x
2. Step 2: Convert to fraction form
   13,516.98/18,653.82 = 7,548.50/x
3. Step 3: Cross multiply
   13,516.98x = 18,653.82 × 7,548.50
4. Step 4: Simplify right side
   13,516.98x = 140,808,360.27
5. Step 5: Solve for x
   x = 140,808,360.27/13,516.98
6. Step 6: Final answer
   x = 10,417.15