Finding the Fourth Proportional to 12,636.24, 17,437.39 and 7,599.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.24 : 17,437.39 = 7,599.48 : x
2. Step 2: Convert to fraction form
   12,636.24/17,437.39 = 7,599.48/x
3. Step 3: Cross multiply
   12,636.24x = 17,437.39 × 7,599.48
4. Step 4: Simplify right side
   12,636.24x = 132,515,171.45
5. Step 5: Solve for x
   x = 132,515,171.45/12,636.24
6. Step 6: Final answer
   x = 10,486.91