Finding the Fourth Proportional to 109,913.08, 151,680.72 and 67,456.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,913.08 : 151,680.72 = 67,456.12 : x
2. Step 2: Convert to fraction form
   109,913.08/151,680.72 = 67,456.12/x
3. Step 3: Cross multiply
   109,913.08x = 151,680.72 × 67,456.12
4. Step 4: Simplify right side
   109,913.08x = 10,231,792,850.01
5. Step 5: Solve for x
   x = 10,231,792,850.01/109,913.08
6. Step 6: Final answer
   x = 93,089.86