Finding the Fourth Proportional to 309,483.29, 464,356.20 and 169,077.89

Step by Step Solution

1. Step 1: Write the proportion equation
   309,483.29 : 464,356.20 = 169,077.89 : x
2. Step 2: Convert to fraction form
   309,483.29/464,356.20 = 169,077.89/x
3. Step 3: Cross multiply
   309,483.29x = 464,356.20 × 169,077.89
4. Step 4: Simplify right side
   309,483.29x = 78,512,366,504.42
5. Step 5: Solve for x
   x = 78,512,366,504.42/309,483.29
6. Step 6: Final answer
   x = 253,688.55