Finding the Fourth Proportional to 124,267.12, 171,488.82 and 67,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,267.12 : 171,488.82 = 67,678.72 : x
2. Step 2: Convert to fraction form
   124,267.12/171,488.82 = 67,678.72/x
3. Step 3: Cross multiply
   124,267.12x = 171,488.82 × 67,678.72
4. Step 4: Simplify right side
   124,267.12x = 11,606,143,831.91
5. Step 5: Solve for x
   x = 11,606,143,831.91/124,267.12
6. Step 6: Final answer
   x = 93,396.74