Finding the Fourth Proportional to 50,731.24, 76,068.06 and 42,462.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,731.24 : 76,068.06 = 42,462.76 : x
2. Step 2: Convert to fraction form
   50,731.24/76,068.06 = 42,462.76/x
3. Step 3: Cross multiply
   50,731.24x = 76,068.06 × 42,462.76
4. Step 4: Simplify right side
   50,731.24x = 3,230,059,775.45
5. Step 5: Solve for x
   x = 3,230,059,775.45/50,731.24
6. Step 6: Final answer
   x = 63,670.03