Finding the Fourth Proportional to 88,979.42, 122,789.57 and 48,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,979.42 : 122,789.57 = 48,692.72 : x
2. Step 2: Convert to fraction form
   88,979.42/122,789.57 = 48,692.72/x
3. Step 3: Cross multiply
   88,979.42x = 122,789.57 × 48,692.72
4. Step 4: Simplify right side
   88,979.42x = 5,978,957,293.52
5. Step 5: Solve for x
   x = 5,978,957,293.52/88,979.42
6. Step 6: Final answer
   x = 67,194.84