Finding the Fourth Proportional to 147,066.57, 202,972.91 and 82,542.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,066.57 : 202,972.91 = 82,542.69 : x
2. Step 2: Convert to fraction form
   147,066.57/202,972.91 = 82,542.69/x
3. Step 3: Cross multiply
   147,066.57x = 202,972.91 × 82,542.69
4. Step 4: Simplify right side
   147,066.57x = 16,753,929,575.81
5. Step 5: Solve for x
   x = 16,753,929,575.81/147,066.57
6. Step 6: Final answer
   x = 113,920.72