Finding the Fourth Proportional to 78,951.10, 109,025.27 and 50,705.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,951.10 : 109,025.27 = 50,705.99 : x
2. Step 2: Convert to fraction form
   78,951.10/109,025.27 = 50,705.99/x
3. Step 3: Cross multiply
   78,951.10x = 109,025.27 × 50,705.99
4. Step 4: Simplify right side
   78,951.10x = 5,528,234,250.37
5. Step 5: Solve for x
   x = 5,528,234,250.37/78,951.10
6. Step 6: Final answer
   x = 70,020.99