Finding the Fourth Proportional to 309,847, 427,588.86 and 175,711

Step by Step Solution

1. Step 1: Write the proportion equation
   309,847 : 427,588.86 = 175,711 : x
2. Step 2: Convert to fraction form
   309,847/427,588.86 = 175,711/x
3. Step 3: Cross multiply
   309,847x = 427,588.86 × 175,711
4. Step 4: Simplify right side
   309,847x = 75,132,066,179.46
5. Step 5: Solve for x
   x = 75,132,066,179.46/309,847
6. Step 6: Final answer
   x = 242,481.18