Finding the Fourth Proportional to 89,087.71, 122,936.63 and 48,801.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,087.71 : 122,936.63 = 48,801.61 : x
2. Step 2: Convert to fraction form
   89,087.71/122,936.63 = 48,801.61/x
3. Step 3: Cross multiply
   89,087.71x = 122,936.63 × 48,801.61
4. Step 4: Simplify right side
   89,087.71x = 5,999,504,979.30
5. Step 5: Solve for x
   x = 5,999,504,979.30/89,087.71
6. Step 6: Final answer
   x = 67,343.80