Finding the Fourth Proportional to 89,025.12, 122,856.12 and 48,738.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,025.12 : 122,856.12 = 48,738.21 : x
2. Step 2: Convert to fraction form
   89,025.12/122,856.12 = 48,738.21/x
3. Step 3: Cross multiply
   89,025.12x = 122,856.12 × 48,738.21
4. Step 4: Simplify right side
   89,025.12x = 5,987,787,376.35
5. Step 5: Solve for x
   x = 5,987,787,376.35/89,025.12
6. Step 6: Final answer
   x = 67,259.53