Finding the Fourth Proportional to 329,109, 493,665.12 and 79,791

Step by Step Solution

1. Step 1: Write the proportion equation
   329,109 : 493,665.12 = 79,791 : x
2. Step 2: Convert to fraction form
   329,109/493,665.12 = 79,791/x
3. Step 3: Cross multiply
   329,109x = 493,665.12 × 79,791
4. Step 4: Simplify right side
   329,109x = 39,390,033,589.92
5. Step 5: Solve for x
   x = 39,390,033,589.92/329,109
6. Step 6: Final answer
   x = 119,686.89