Finding the Fourth Proportional to 78,804.62, 108,750.39 and 50,510.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,804.62 : 108,750.39 = 50,510.30 : x
2. Step 2: Convert to fraction form
   78,804.62/108,750.39 = 50,510.30/x
3. Step 3: Cross multiply
   78,804.62x = 108,750.39 × 50,510.30
4. Step 4: Simplify right side
   78,804.62x = 5,493,014,280.27
5. Step 5: Solve for x
   x = 5,493,014,280.27/78,804.62
6. Step 6: Final answer
   x = 69,704.22