Finding the Fourth Proportional to 124,018.62, 171,145.47 and 67,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   124,018.62 : 171,145.47 = 67,429.86 : x
2. Step 2: Convert to fraction form
   124,018.62/171,145.47 = 67,429.86/x
3. Step 3: Cross multiply
   124,018.62x = 171,145.47 × 67,429.86
4. Step 4: Simplify right side
   124,018.62x = 11,540,315,081.73
5. Step 5: Solve for x
   x = 11,540,315,081.73/124,018.62
6. Step 6: Final answer
   x = 93,053.08