Finding the Fourth Proportional to 309,715.52, 427,590.63 and 195,092.42

Step by Step Solution

1. Step 1: Write the proportion equation
   309,715.52 : 427,590.63 = 195,092.42 : x
2. Step 2: Convert to fraction form
   309,715.52/427,590.63 = 195,092.42/x
3. Step 3: Cross multiply
   309,715.52x = 427,590.63 × 195,092.42
4. Step 4: Simplify right side
   309,715.52x = 83,419,690,776.02
5. Step 5: Solve for x
   x = 83,419,690,776.02/309,715.52
6. Step 6: Final answer
   x = 269,342.95