Finding the Fourth Proportional to 89,069.68, 122,917.56 and 48,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,069.68 : 122,917.56 = 48,782.72 : x
2. Step 2: Convert to fraction form
   89,069.68/122,917.56 = 48,782.72/x
3. Step 3: Cross multiply
   89,069.68x = 122,917.56 × 48,782.72
4. Step 4: Simplify right side
   89,069.68x = 5,996,252,912.56
5. Step 5: Solve for x
   x = 5,996,252,912.56/89,069.68
6. Step 6: Final answer
   x = 67,320.92