Finding the Fourth Proportional to 109,592.72, 151,229.34 and 67,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   109,592.72 : 151,229.34 = 67,145.48 : x
2. Step 2: Convert to fraction form
   109,592.72/151,229.34 = 67,145.48/x
3. Step 3: Cross multiply
   109,592.72x = 151,229.34 × 67,145.48
4. Step 4: Simplify right side
   109,592.72x = 10,154,366,624.38
5. Step 5: Solve for x
   x = 10,154,366,624.38/109,592.72
6. Step 6: Final answer
   x = 92,655.49