Finding the Fourth Proportional to 89,009.35, 122,832.72 and 48,723.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,009.35 : 122,832.72 = 48,723.12 : x
2. Step 2: Convert to fraction form
   89,009.35/122,832.72 = 48,723.12/x
3. Step 3: Cross multiply
   89,009.35x = 122,832.72 × 48,723.12
4. Step 4: Simplify right side
   89,009.35x = 5,984,793,356.49
5. Step 5: Solve for x
   x = 5,984,793,356.49/89,009.35
6. Step 6: Final answer
   x = 67,237.81