Finding the Fourth Proportional to 89,073.65, 122,921.61 and 48,789.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,073.65 : 122,921.61 = 48,789.92 : x
2. Step 2: Convert to fraction form
   89,073.65/122,921.61 = 48,789.92/x
3. Step 3: Cross multiply
   89,073.65x = 122,921.61 × 48,789.92
4. Step 4: Simplify right side
   89,073.65x = 5,997,335,518.17
5. Step 5: Solve for x
   x = 5,997,335,518.17/89,073.65
6. Step 6: Final answer
   x = 67,330.07