Finding the Fourth Proportional to 124,354.13, 171,608.72 and 67,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,354.13 : 171,608.72 = 67,765.50 : x
2. Step 2: Convert to fraction form
   124,354.13/171,608.72 = 67,765.50/x
3. Step 3: Cross multiply
   124,354.13x = 171,608.72 × 67,765.50
4. Step 4: Simplify right side
   124,354.13x = 11,629,150,715.16
5. Step 5: Solve for x
   x = 11,629,150,715.16/124,354.13
6. Step 6: Final answer
   x = 93,516.40