Finding the Fourth Proportional to 142,591.32, 196,727.82 and 82,160.40

Step by Step Solution

1. Step 1: Write the proportion equation
   142,591.32 : 196,727.82 = 82,160.40 : x
2. Step 2: Convert to fraction form
   142,591.32/196,727.82 = 82,160.40/x
3. Step 3: Cross multiply
   142,591.32x = 196,727.82 × 82,160.40
4. Step 4: Simplify right side
   142,591.32x = 16,163,236,382.33
5. Step 5: Solve for x
   x = 16,163,236,382.33/142,591.32
6. Step 6: Final answer
   x = 113,353.58