Finding the Fourth Proportional to 145,665.42, 201,018.06 and 82,023.72

Step by Step Solution

1. Step 1: Write the proportion equation
   145,665.42 : 201,018.06 = 82,023.72 : x
2. Step 2: Convert to fraction form
   145,665.42/201,018.06 = 82,023.72/x
3. Step 3: Cross multiply
   145,665.42x = 201,018.06 × 82,023.72
4. Step 4: Simplify right side
   145,665.42x = 16,488,249,068.38
5. Step 5: Solve for x
   x = 16,488,249,068.38/145,665.42
6. Step 6: Final answer
   x = 113,192.61