Finding the Fourth Proportional to 109,665.97, 151,473.98 and 79,403.38

Step by Step Solution

1. Step 1: Write the proportion equation
   109,665.97 : 151,473.98 = 79,403.38 : x
2. Step 2: Convert to fraction form
   109,665.97/151,473.98 = 79,403.38/x
3. Step 3: Cross multiply
   109,665.97x = 151,473.98 × 79,403.38
4. Step 4: Simplify right side
   109,665.97x = 12,027,545,994.05
5. Step 5: Solve for x
   x = 12,027,545,994.05/109,665.97
6. Step 6: Final answer
   x = 109,674.37