Finding the Fourth Proportional to 89,036.79, 122,870.80 and 48,753.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,036.79 : 122,870.80 = 48,753.10 : x
2. Step 2: Convert to fraction form
   89,036.79/122,870.80 = 48,753.10/x
3. Step 3: Cross multiply
   89,036.79x = 122,870.80 × 48,753.10
4. Step 4: Simplify right side
   89,036.79x = 5,990,332,399.48
5. Step 5: Solve for x
   x = 5,990,332,399.48/89,036.79
6. Step 6: Final answer
   x = 67,279.29