Finding the Fourth Proportional to 145,789.59, 201,188.73 and 82,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   145,789.59 : 201,188.73 = 82,147.89 : x
2. Step 2: Convert to fraction form
   145,789.59/201,188.73 = 82,147.89/x
3. Step 3: Cross multiply
   145,789.59x = 201,188.73 × 82,147.89
4. Step 4: Simplify right side
   145,789.59x = 16,527,229,661.28
5. Step 5: Solve for x
   x = 16,527,229,661.28/145,789.59
6. Step 6: Final answer
   x = 113,363.58