Finding the Fourth Proportional to 309,514.86, 464,403.50 and 169,109.46

Step by Step Solution

1. Step 1: Write the proportion equation
   309,514.86 : 464,403.50 = 169,109.46 : x
2. Step 2: Convert to fraction form
   309,514.86/464,403.50 = 169,109.46/x
3. Step 3: Cross multiply
   309,514.86x = 464,403.50 × 169,109.46
4. Step 4: Simplify right side
   309,514.86x = 78,535,024,261.56
5. Step 5: Solve for x
   x = 78,535,024,261.56/309,514.86
6. Step 6: Final answer
   x = 253,735.88