Finding the Fourth Proportional to 309,451, 427,182.27 and 194,898

Step by Step Solution

1. Step 1: Write the proportion equation
   309,451 : 427,182.27 = 194,898 : x
2. Step 2: Convert to fraction form
   309,451/427,182.27 = 194,898/x
3. Step 3: Cross multiply
   309,451x = 427,182.27 × 194,898
4. Step 4: Simplify right side
   309,451x = 83,256,970,058.46
5. Step 5: Solve for x
   x = 83,256,970,058.46/309,451
6. Step 6: Final answer
   x = 269,047.35