Finding the Fourth Proportional to 41,642.76, 62,464.17 and 10,478

Step by Step Solution

1. Step 1: Write the proportion equation
   41,642.76 : 62,464.17 = 10,478 : x
2. Step 2: Convert to fraction form
   41,642.76/62,464.17 = 10,478/x
3. Step 3: Cross multiply
   41,642.76x = 62,464.17 × 10,478
4. Step 4: Simplify right side
   41,642.76x = 654,499,573.26
5. Step 5: Solve for x
   x = 654,499,573.26/41,642.76
6. Step 6: Final answer
   x = 15,717.01