Finding the Fourth Proportional to 67,629.95, 101,379 and 28,198.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67,629.95 : 101,379 = 28,198.34 : x
2. Step 2: Convert to fraction form
   67,629.95/101,379 = 28,198.34/x
3. Step 3: Cross multiply
   67,629.95x = 101,379 × 28,198.34
4. Step 4: Simplify right side
   67,629.95x = 2,858,719,510.86
5. Step 5: Solve for x
   x = 2,858,719,510.86/67,629.95
6. Step 6: Final answer
   x = 42,270.02