Finding the Fourth Proportional to 114,308.16, 171,345.33 and 80,949.12

Step by Step Solution

1. Step 1: Write the proportion equation
   114,308.16 : 171,345.33 = 80,949.12 : x
2. Step 2: Convert to fraction form
   114,308.16/171,345.33 = 80,949.12/x
3. Step 3: Cross multiply
   114,308.16x = 171,345.33 × 80,949.12
4. Step 4: Simplify right side
   114,308.16x = 13,870,253,679.61
5. Step 5: Solve for x
   x = 13,870,253,679.61/114,308.16
6. Step 6: Final answer
   x = 121,340.89