Finding the Fourth Proportional to 107,099.94, 160,350.38 and 80,722.02

Step by Step Solution

1. Step 1: Write the proportion equation
   107,099.94 : 160,350.38 = 80,722.02 : x
2. Step 2: Convert to fraction form
   107,099.94/160,350.38 = 80,722.02/x
3. Step 3: Cross multiply
   107,099.94x = 160,350.38 × 80,722.02
4. Step 4: Simplify right side
   107,099.94x = 12,943,806,581.37
5. Step 5: Solve for x
   x = 12,943,806,581.37/107,099.94
6. Step 6: Final answer
   x = 120,857.27