Finding the Fourth Proportional to 109,642.38, 151,310.15 and 67,192.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,642.38 : 151,310.15 = 67,192.71 : x
2. Step 2: Convert to fraction form
   109,642.38/151,310.15 = 67,192.71/x
3. Step 3: Cross multiply
   109,642.38x = 151,310.15 × 67,192.71
4. Step 4: Simplify right side
   109,642.38x = 10,166,939,029.01
5. Step 5: Solve for x
   x = 10,166,939,029.01/109,642.38
6. Step 6: Final answer
   x = 92,728.19