Finding the Fourth Proportional to 78,946.79, 109,019.32 and 50,701.68

Step by Step Solution

1. Step 1: Write the proportion equation
   78,946.79 : 109,019.32 = 50,701.68 : x
2. Step 2: Convert to fraction form
   78,946.79/109,019.32 = 50,701.68/x
3. Step 3: Cross multiply
   78,946.79x = 109,019.32 × 50,701.68
4. Step 4: Simplify right side
   78,946.79x = 5,527,462,549.70
5. Step 5: Solve for x
   x = 5,527,462,549.70/78,946.79
6. Step 6: Final answer
   x = 70,015.04