Finding the Fourth Proportional to 88,990.28, 122,806.56 and 48,704.04

Step by Step Solution

1. Step 1: Write the proportion equation
   88,990.28 : 122,806.56 = 48,704.04 : x
2. Step 2: Convert to fraction form
   88,990.28/122,806.56 = 48,704.04/x
3. Step 3: Cross multiply
   88,990.28x = 122,806.56 × 48,704.04
4. Step 4: Simplify right side
   88,990.28x = 5,981,175,610.50
5. Step 5: Solve for x
   x = 5,981,175,610.50/88,990.28
6. Step 6: Final answer
   x = 67,211.56