Finding the Fourth Proportional to 78,949.41, 109,022.94 and 50,704.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,949.41 : 109,022.94 = 50,704.32 : x
2. Step 2: Convert to fraction form
   78,949.41/109,022.94 = 50,704.32/x
3. Step 3: Cross multiply
   78,949.41x = 109,022.94 × 50,704.32
4. Step 4: Simplify right side
   78,949.41x = 5,527,934,037.10
5. Step 5: Solve for x
   x = 5,527,934,037.10/78,949.41
6. Step 6: Final answer
   x = 70,018.69