Finding the Fourth Proportional to 140,081.68, 193,286.28 and 83,498.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140,081.68 : 193,286.28 = 83,498.32 : x
2. Step 2: Convert to fraction form
   140,081.68/193,286.28 = 83,498.32/x
3. Step 3: Cross multiply
   140,081.68x = 193,286.28 × 83,498.32
4. Step 4: Simplify right side
   140,081.68x = 16,139,079,659.05
5. Step 5: Solve for x
   x = 16,139,079,659.05/140,081.68
6. Step 6: Final answer
   x = 115,211.92