Finding the Fourth Proportional to 124,506.72, 171,819.07 and 67,918.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,506.72 : 171,819.07 = 67,918.10 : x
2. Step 2: Convert to fraction form
   124,506.72/171,819.07 = 67,918.10/x
3. Step 3: Cross multiply
   124,506.72x = 171,819.07 × 67,918.10
4. Step 4: Simplify right side
   124,506.72x = 11,669,624,131.32
5. Step 5: Solve for x
   x = 11,669,624,131.32/124,506.72
6. Step 6: Final answer
   x = 93,726.86