Finding the Fourth Proportional to 88,608.98, 122,280.59 and 50,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   88,608.98 : 122,280.59 = 50,368.78 : x
2. Step 2: Convert to fraction form
   88,608.98/122,280.59 = 50,368.78/x
3. Step 3: Cross multiply
   88,608.98x = 122,280.59 × 50,368.78
4. Step 4: Simplify right side
   88,608.98x = 6,159,123,956.20
5. Step 5: Solve for x
   x = 6,159,123,956.20/88,608.98
6. Step 6: Final answer
   x = 69,509.03