Finding the Fourth Proportional to 89,033.31, 122,861.30 and 48,739.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,033.31 : 122,861.30 = 48,739.35 : x
2. Step 2: Convert to fraction form
   89,033.31/122,861.30 = 48,739.35/x
3. Step 3: Cross multiply
   89,033.31x = 122,861.30 × 48,739.35
4. Step 4: Simplify right side
   89,033.31x = 5,988,179,902.16
5. Step 5: Solve for x
   x = 5,988,179,902.16/89,033.31
6. Step 6: Final answer
   x = 67,257.75