Finding the Fourth Proportional to 162,685.46, 243,940.71 and 50,317.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,685.46 : 243,940.71 = 50,317.40 : x
2. Step 2: Convert to fraction form
   162,685.46/243,940.71 = 50,317.40/x
3. Step 3: Cross multiply
   162,685.46x = 243,940.71 × 50,317.40
4. Step 4: Simplify right side
   162,685.46x = 12,274,463,079.90
5. Step 5: Solve for x
   x = 12,274,463,079.90/162,685.46
6. Step 6: Final answer
   x = 75,449.05