Finding the Fourth Proportional to 67,371.90, 101,028.50 and 19,329.90

Step by Step Solution

1. Step 1: Write the proportion equation
   67,371.90 : 101,028.50 = 19,329.90 : x
2. Step 2: Convert to fraction form
   67,371.90/101,028.50 = 19,329.90/x
3. Step 3: Cross multiply
   67,371.90x = 101,028.50 × 19,329.90
4. Step 4: Simplify right side
   67,371.90x = 1,952,870,705.50
5. Step 5: Solve for x
   x = 1,952,870,705.50/67,371.90
6. Step 6: Final answer
   x = 28,986.43