Finding the Fourth Proportional to 109,663.97, 151,471.22 and 79,401.38

Step by Step Solution

1. Step 1: Write the proportion equation
   109,663.97 : 151,471.22 = 79,401.38 : x
2. Step 2: Convert to fraction form
   109,663.97/151,471.22 = 79,401.38/x
3. Step 3: Cross multiply
   109,663.97x = 151,471.22 × 79,401.38
4. Step 4: Simplify right side
   109,663.97x = 12,027,022,743.92
5. Step 5: Solve for x
   x = 12,027,022,743.92/109,663.97
6. Step 6: Final answer
   x = 109,671.60