Finding the Fourth Proportional to 124,498.50, 171,808.48 and 67,911.09

Step by Step Solution

1. Step 1: Write the proportion equation
   124,498.50 : 171,808.48 = 67,911.09 : x
2. Step 2: Convert to fraction form
   124,498.50/171,808.48 = 67,911.09/x
3. Step 3: Cross multiply
   124,498.50x = 171,808.48 × 67,911.09
4. Step 4: Simplify right side
   124,498.50x = 11,667,701,173.07
5. Step 5: Solve for x
   x = 11,667,701,173.07/124,498.50
6. Step 6: Final answer
   x = 93,717.60