Finding the Fourth Proportional to 30,929.91, 46,372.55 and 13,150.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,929.91 : 46,372.55 = 13,150.82 : x
2. Step 2: Convert to fraction form
   30,929.91/46,372.55 = 13,150.82/x
3. Step 3: Cross multiply
   30,929.91x = 46,372.55 × 13,150.82
4. Step 4: Simplify right side
   30,929.91x = 609,836,760.37
5. Step 5: Solve for x
   x = 609,836,760.37/30,929.91
6. Step 6: Final answer
   x = 19,716.73