Finding the Fourth Proportional to 89,067.30, 122,912.67 and 48,781.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,067.30 : 122,912.67 = 48,781.08 : x
2. Step 2: Convert to fraction form
   89,067.30/122,912.67 = 48,781.08/x
3. Step 3: Cross multiply
   89,067.30x = 122,912.67 × 48,781.08
4. Step 4: Simplify right side
   89,067.30x = 5,995,812,788.28
5. Step 5: Solve for x
   x = 5,995,812,788.28/89,067.30
6. Step 6: Final answer
   x = 67,317.78