Finding the Fourth Proportional to 88,424, 122,025.16 and 48,680

Step by Step Solution

1. Step 1: Write the proportion equation
   88,424 : 122,025.16 = 48,680 : x
2. Step 2: Convert to fraction form
   88,424/122,025.16 = 48,680/x
3. Step 3: Cross multiply
   88,424x = 122,025.16 × 48,680
4. Step 4: Simplify right side
   88,424x = 5,940,184,788.80
5. Step 5: Solve for x
   x = 5,940,184,788.80/88,424
6. Step 6: Final answer
   x = 67,178.42