Finding the Fourth Proportional to 323,002.27, 445,757.75 and 187,042.15

Step by Step Solution

1. Step 1: Write the proportion equation
   323,002.27 : 445,757.75 = 187,042.15 : x
2. Step 2: Convert to fraction form
   323,002.27/445,757.75 = 187,042.15/x
3. Step 3: Cross multiply
   323,002.27x = 445,757.75 × 187,042.15
4. Step 4: Simplify right side
   323,002.27x = 83,375,487,939.16
5. Step 5: Solve for x
   x = 83,375,487,939.16/323,002.27
6. Step 6: Final answer
   x = 258,126.63