Finding the Fourth Proportional to 78,946.61, 109,019.06 and 50,701.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,946.61 : 109,019.06 = 50,701.50 : x
2. Step 2: Convert to fraction form
   78,946.61/109,019.06 = 50,701.50/x
3. Step 3: Cross multiply
   78,946.61x = 109,019.06 × 50,701.50
4. Step 4: Simplify right side
   78,946.61x = 5,527,429,617.08
5. Step 5: Solve for x
   x = 5,527,429,617.08/78,946.61
6. Step 6: Final answer
   x = 70,014.79