Finding the Fourth Proportional to 342,153.56, 472,169.06 and 189,198.42

Step by Step Solution

1. Step 1: Write the proportion equation
   342,153.56 : 472,169.06 = 189,198.42 : x
2. Step 2: Convert to fraction form
   342,153.56/472,169.06 = 189,198.42/x
3. Step 3: Cross multiply
   342,153.56x = 472,169.06 × 189,198.42
4. Step 4: Simplify right side
   342,153.56x = 89,333,640,124.89
5. Step 5: Solve for x
   x = 89,333,640,124.89/342,153.56
6. Step 6: Final answer
   x = 261,092.24