Finding the Fourth Proportional to 9,515.82, 13,131.81 and 5,537.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515.82 : 13,131.81 = 5,537.17 : x
2. Step 2: Convert to fraction form
   9,515.82/13,131.81 = 5,537.17/x
3. Step 3: Cross multiply
   9,515.82x = 13,131.81 × 5,537.17
4. Step 4: Simplify right side
   9,515.82x = 72,713,031.55
5. Step 5: Solve for x
   x = 72,713,031.55/9,515.82
6. Step 6: Final answer
   x = 7,641.28