Finding the Fourth Proportional to 12,264.78, 18,479.82 and 10,121.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.78 : 18,479.82 = 10,121.52 : x
2. Step 2: Convert to fraction form
   12,264.78/18,479.82 = 10,121.52/x
3. Step 3: Cross multiply
   12,264.78x = 18,479.82 × 10,121.52
4. Step 4: Simplify right side
   12,264.78x = 187,043,867.73
5. Step 5: Solve for x
   x = 187,043,867.73/12,264.78
6. Step 6: Final answer
   x = 15,250.49