Finding the Fourth Proportional to 9,516.15, 13,132.30 and 5,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.15 : 13,132.30 = 5,267.50 : x
2. Step 2: Convert to fraction form
   9,516.15/13,132.30 = 5,267.50/x
3. Step 3: Cross multiply
   9,516.15x = 13,132.30 × 5,267.50
4. Step 4: Simplify right side
   9,516.15x = 69,174,324.59
5. Step 5: Solve for x
   x = 69,174,324.59/9,516.15
6. Step 6: Final answer
   x = 7,269.15