Finding the Fourth Proportional to 113,873.16, 170,913.39 and 60,609.86

Step by Step Solution

1. Step 1: Write the proportion equation
   113,873.16 : 170,913.39 = 60,609.86 : x
2. Step 2: Convert to fraction form
   113,873.16/170,913.39 = 60,609.86/x
3. Step 3: Cross multiply
   113,873.16x = 170,913.39 × 60,609.86
4. Step 4: Simplify right side
   113,873.16x = 10,359,036,640.03
5. Step 5: Solve for x
   x = 10,359,036,640.03/113,873.16
6. Step 6: Final answer
   x = 90,969.96