Finding the Fourth Proportional to 162,411.57, 243,659.34 and 50,089.28

Step by Step Solution

1. Step 1: Write the proportion equation
   162,411.57 : 243,659.34 = 50,089.28 : x
2. Step 2: Convert to fraction form
   162,411.57/243,659.34 = 50,089.28/x
3. Step 3: Cross multiply
   162,411.57x = 243,659.34 × 50,089.28
4. Step 4: Simplify right side
   162,411.57x = 12,204,719,687.58
5. Step 5: Solve for x
   x = 12,204,719,687.58/162,411.57
6. Step 6: Final answer
   x = 75,146.86