Finding the Fourth Proportional to 67,673.91, 101,453.76 and 42,658.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,673.91 : 101,453.76 = 42,658.80 : x
2. Step 2: Convert to fraction form
   67,673.91/101,453.76 = 42,658.80/x
3. Step 3: Cross multiply
   67,673.91x = 101,453.76 × 42,658.80
4. Step 4: Simplify right side
   67,673.91x = 4,327,895,657.09
5. Step 5: Solve for x
   x = 4,327,895,657.09/67,673.91
6. Step 6: Final answer
   x = 63,952.20