Finding the Fourth Proportional to 79,429.72, 119,171.92 and 49,812.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,429.72 : 119,171.92 = 49,812.88 : x
2. Step 2: Convert to fraction form
   79,429.72/119,171.92 = 49,812.88/x
3. Step 3: Cross multiply
   79,429.72x = 119,171.92 × 49,812.88
4. Step 4: Simplify right side
   79,429.72x = 5,936,296,127.87
5. Step 5: Solve for x
   x = 5,936,296,127.87/79,429.72
6. Step 6: Final answer
   x = 74,736.46