Finding the Fourth Proportional to 124,498.56, 171,806.40 and 67,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,498.56 : 171,806.40 = 67,908.72 : x
2. Step 2: Convert to fraction form
   124,498.56/171,806.40 = 67,908.72/x
3. Step 3: Cross multiply
   124,498.56x = 171,806.40 × 67,908.72
4. Step 4: Simplify right side
   124,498.56x = 11,667,152,711.81
5. Step 5: Solve for x
   x = 11,667,152,711.81/124,498.56
6. Step 6: Final answer
   x = 93,713.15