Finding the Fourth Proportional to 116,363.79, 160,581.69 and 67,975.20

Step by Step Solution

1. Step 1: Write the proportion equation
   116,363.79 : 160,581.69 = 67,975.20 : x
2. Step 2: Convert to fraction form
   116,363.79/160,581.69 = 67,975.20/x
3. Step 3: Cross multiply
   116,363.79x = 160,581.69 × 67,975.20
4. Step 4: Simplify right side
   116,363.79x = 10,915,572,494.09
5. Step 5: Solve for x
   x = 10,915,572,494.09/116,363.79
6. Step 6: Final answer
   x = 93,805.58