Finding the Fourth Proportional to 9,516.56, 13,132.71 and 5,267.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.56 : 13,132.71 = 5,267.21 : x
2. Step 2: Convert to fraction form
   9,516.56/13,132.71 = 5,267.21/x
3. Step 3: Cross multiply
   9,516.56x = 13,132.71 × 5,267.21
4. Step 4: Simplify right side
   9,516.56x = 69,172,675.78
5. Step 5: Solve for x
   x = 69,172,675.78/9,516.56
6. Step 6: Final answer
   x = 7,268.67