Finding the Fourth Proportional to 109,872.72, 151,627.32 and 67,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,872.72 : 151,627.32 = 67,406.04 : x
2. Step 2: Convert to fraction form
   109,872.72/151,627.32 = 67,406.04/x
3. Step 3: Cross multiply
   109,872.72x = 151,627.32 × 67,406.04
4. Step 4: Simplify right side
   109,872.72x = 10,220,597,197.01
5. Step 5: Solve for x
   x = 10,220,597,197.01/109,872.72
6. Step 6: Final answer
   x = 93,022.16