Finding the Fourth Proportional to 9,515.48, 13,131.25 and 5,266.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515.48 : 13,131.25 = 5,266.22 : x
2. Step 2: Convert to fraction form
   9,515.48/13,131.25 = 5,266.22/x
3. Step 3: Cross multiply
   9,515.48x = 13,131.25 × 5,266.22
4. Step 4: Simplify right side
   9,515.48x = 69,152,051.38
5. Step 5: Solve for x
   x = 69,152,051.38/9,515.48
6. Step 6: Final answer
   x = 7,267.32