Finding the Fourth Proportional to 162,493.32, 243,650.66 and 50,142.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,493.32 : 243,650.66 = 50,142.88 : x
2. Step 2: Convert to fraction form
   162,493.32/243,650.66 = 50,142.88/x
3. Step 3: Cross multiply
   162,493.32x = 243,650.66 × 50,142.88
4. Step 4: Simplify right side
   162,493.32x = 12,217,345,806.30
5. Step 5: Solve for x
   x = 12,217,345,806.30/162,493.32
6. Step 6: Final answer
   x = 75,186.76