Finding the Fourth Proportional to 78,872.68, 108,856.80 and 50,162.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,872.68 : 108,856.80 = 50,162.41 : x
2. Step 2: Convert to fraction form
   78,872.68/108,856.80 = 50,162.41/x
3. Step 3: Cross multiply
   78,872.68x = 108,856.80 × 50,162.41
4. Step 4: Simplify right side
   78,872.68x = 5,460,519,432.89
5. Step 5: Solve for x
   x = 5,460,519,432.89/78,872.68
6. Step 6: Final answer
   x = 69,232.08