Finding the Fourth Proportional to 89,052.16, 122,886.56 and 48,766.40

Step by Step Solution

1. Step 1: Write the proportion equation
   89,052.16 : 122,886.56 = 48,766.40 : x
2. Step 2: Convert to fraction form
   89,052.16/122,886.56 = 48,766.40/x
3. Step 3: Cross multiply
   89,052.16x = 122,886.56 × 48,766.40
4. Step 4: Simplify right side
   89,052.16x = 5,992,735,139.58
5. Step 5: Solve for x
   x = 5,992,735,139.58/89,052.16
6. Step 6: Final answer
   x = 67,294.66