Finding the Fourth Proportional to 67,507.25, 101,259.61 and 20,154.49

Step by Step Solution

1. Step 1: Write the proportion equation
   67,507.25 : 101,259.61 = 20,154.49 : x
2. Step 2: Convert to fraction form
   67,507.25/101,259.61 = 20,154.49/x
3. Step 3: Cross multiply
   67,507.25x = 101,259.61 × 20,154.49
4. Step 4: Simplify right side
   67,507.25x = 2,040,835,493.61
5. Step 5: Solve for x
   x = 2,040,835,493.61/67,507.25
6. Step 6: Final answer
   x = 30,231.36