Finding the Fourth Proportional to 146,612.72, 202,304.05 and 82,078.61

Step by Step Solution

1. Step 1: Write the proportion equation
   146,612.72 : 202,304.05 = 82,078.61 : x
2. Step 2: Convert to fraction form
   146,612.72/202,304.05 = 82,078.61/x
3. Step 3: Cross multiply
   146,612.72x = 202,304.05 × 82,078.61
4. Step 4: Simplify right side
   146,612.72x = 16,604,834,004.65
5. Step 5: Solve for x
   x = 16,604,834,004.65/146,612.72
6. Step 6: Final answer
   x = 113,256.43