Finding the Fourth Proportional to 67,672.41, 101,451.51 and 42,657.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,672.41 : 101,451.51 = 42,657.30 : x
2. Step 2: Convert to fraction form
   67,672.41/101,451.51 = 42,657.30/x
3. Step 3: Cross multiply
   67,672.41x = 101,451.51 × 42,657.30
4. Step 4: Simplify right side
   67,672.41x = 4,327,647,831.50
5. Step 5: Solve for x
   x = 4,327,647,831.50/67,672.41
6. Step 6: Final answer
   x = 63,949.96