Finding the Fourth Proportional to 123,928.84, 171,024.42 and 67,339.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,928.84 : 171,024.42 = 67,339.72 : x
2. Step 2: Convert to fraction form
   123,928.84/171,024.42 = 67,339.72/x
3. Step 3: Cross multiply
   123,928.84x = 171,024.42 × 67,339.72
4. Step 4: Simplify right side
   123,928.84x = 11,516,736,555.96
5. Step 5: Solve for x
   x = 11,516,736,555.96/123,928.84
6. Step 6: Final answer
   x = 92,930.24