Finding the Fourth Proportional to 145,667.42, 201,020.82 and 82,025.72

Step by Step Solution

1. Step 1: Write the proportion equation
   145,667.42 : 201,020.82 = 82,025.72 : x
2. Step 2: Convert to fraction form
   145,667.42/201,020.82 = 82,025.72/x
3. Step 3: Cross multiply
   145,667.42x = 201,020.82 × 82,025.72
4. Step 4: Simplify right side
   145,667.42x = 16,488,877,495.49
5. Step 5: Solve for x
   x = 16,488,877,495.49/145,667.42
6. Step 6: Final answer
   x = 113,195.37