Finding the Fourth Proportional to 89,078.56, 122,923.64 and 48,784.70

Step by Step Solution

1. Step 1: Write the proportion equation
   89,078.56 : 122,923.64 = 48,784.70 : x
2. Step 2: Convert to fraction form
   89,078.56/122,923.64 = 48,784.70/x
3. Step 3: Cross multiply
   89,078.56x = 122,923.64 × 48,784.70
4. Step 4: Simplify right side
   89,078.56x = 5,996,793,329.58
5. Step 5: Solve for x
   x = 5,996,793,329.58/89,078.56
6. Step 6: Final answer
   x = 67,320.28