Finding the Fourth Proportional to 116,109.59, 160,229.15 and 65,122.43

Step by Step Solution

1. Step 1: Write the proportion equation
   116,109.59 : 160,229.15 = 65,122.43 : x
2. Step 2: Convert to fraction form
   116,109.59/160,229.15 = 65,122.43/x
3. Step 3: Cross multiply
   116,109.59x = 160,229.15 × 65,122.43
4. Step 4: Simplify right side
   116,109.59x = 10,434,510,478.08
5. Step 5: Solve for x
   x = 10,434,510,478.08/116,109.59
6. Step 6: Final answer
   x = 89,867.77