Finding the Fourth Proportional to 89,049.60, 122,839.20 and 60,796.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,049.60 : 122,839.20 = 60,796.80 : x
2. Step 2: Convert to fraction form
   89,049.60/122,839.20 = 60,796.80/x
3. Step 3: Cross multiply
   89,049.60x = 122,839.20 × 60,796.80
4. Step 4: Simplify right side
   89,049.60x = 7,468,230,274.56
5. Step 5: Solve for x
   x = 7,468,230,274.56/89,049.60
6. Step 6: Final answer
   x = 83,865.96