Finding the Fourth Proportional to 69,443.56, 104,162.78 and 20,194.28

Step by Step Solution

1. Step 1: Write the proportion equation
   69,443.56 : 104,162.78 = 20,194.28 : x
2. Step 2: Convert to fraction form
   69,443.56/104,162.78 = 20,194.28/x
3. Step 3: Cross multiply
   69,443.56x = 104,162.78 × 20,194.28
4. Step 4: Simplify right side
   69,443.56x = 2,103,492,344.90
5. Step 5: Solve for x
   x = 2,103,492,344.90/69,443.56
6. Step 6: Final answer
   x = 30,290.68