Finding the Fourth Proportional to 162,450.72, 243,708.56 and 50,126.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,450.72 : 243,708.56 = 50,126.72 : x
2. Step 2: Convert to fraction form
   162,450.72/243,708.56 = 50,126.72/x
3. Step 3: Cross multiply
   162,450.72x = 243,708.56 × 50,126.72
4. Step 4: Simplify right side
   162,450.72x = 12,216,309,655.50
5. Step 5: Solve for x
   x = 12,216,309,655.50/162,450.72
6. Step 6: Final answer
   x = 75,200.10