Finding the Fourth Proportional to 12,481.52, 17,220.27 and 7,634.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,481.52 : 17,220.27 = 7,634.47 : x
2. Step 2: Convert to fraction form
   12,481.52/17,220.27 = 7,634.47/x
3. Step 3: Cross multiply
   12,481.52x = 17,220.27 × 7,634.47
4. Step 4: Simplify right side
   12,481.52x = 131,467,558.45
5. Step 5: Solve for x
   x = 131,467,558.45/12,481.52
6. Step 6: Final answer
   x = 10,532.98