Finding the Fourth Proportional to 67,869.56, 101,817.59 and 20,488.49

Step by Step Solution

1. Step 1: Write the proportion equation
   67,869.56 : 101,817.59 = 20,488.49 : x
2. Step 2: Convert to fraction form
   67,869.56/101,817.59 = 20,488.49/x
3. Step 3: Cross multiply
   67,869.56x = 101,817.59 × 20,488.49
4. Step 4: Simplify right side
   67,869.56x = 2,086,088,063.01
5. Step 5: Solve for x
   x = 2,086,088,063.01/67,869.56
6. Step 6: Final answer
   x = 30,736.73