Finding the Fourth Proportional to 67,641.99, 101,487.09 and 30,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,641.99 : 101,487.09 = 30,198.72 : x
2. Step 2: Convert to fraction form
   67,641.99/101,487.09 = 30,198.72/x
3. Step 3: Cross multiply
   67,641.99x = 101,487.09 × 30,198.72
4. Step 4: Simplify right side
   67,641.99x = 3,064,780,708.35
5. Step 5: Solve for x
   x = 3,064,780,708.35/67,641.99
6. Step 6: Final answer
   x = 45,308.85