Finding the Fourth Proportional to 89,005.71, 122,828.07 and 48,722.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,005.71 : 122,828.07 = 48,722.05 : x
2. Step 2: Convert to fraction form
   89,005.71/122,828.07 = 48,722.05/x
3. Step 3: Cross multiply
   89,005.71x = 122,828.07 × 48,722.05
4. Step 4: Simplify right side
   89,005.71x = 5,984,434,939.07
5. Step 5: Solve for x
   x = 5,984,434,939.07/89,005.71
6. Step 6: Final answer
   x = 67,236.53