Finding the Fourth Proportional to 145,667.07, 201,024.32 and 82,007.15

Step by Step Solution

1. Step 1: Write the proportion equation
   145,667.07 : 201,024.32 = 82,007.15 : x
2. Step 2: Convert to fraction form
   145,667.07/201,024.32 = 82,007.15/x
3. Step 3: Cross multiply
   145,667.07x = 201,024.32 × 82,007.15
4. Step 4: Simplify right side
   145,667.07x = 16,485,430,148.73
5. Step 5: Solve for x
   x = 16,485,430,148.73/145,667.07
6. Step 6: Final answer
   x = 113,171.98