Finding the Fourth Proportional to 123,929.74, 171,022.72 and 67,341.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,929.74 : 171,022.72 = 67,341.12 : x
2. Step 2: Convert to fraction form
   123,929.74/171,022.72 = 67,341.12/x
3. Step 3: Cross multiply
   123,929.74x = 171,022.72 × 67,341.12
4. Step 4: Simplify right side
   123,929.74x = 11,516,861,510.25
5. Step 5: Solve for x
   x = 11,516,861,510.25/123,929.74
6. Step 6: Final answer
   x = 92,930.57