Finding the Fourth Proportional to 42,498.06, 63,747 and 20,243.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,498.06 : 63,747 = 20,243.94 : x
2. Step 2: Convert to fraction form
   42,498.06/63,747 = 20,243.94/x
3. Step 3: Cross multiply
   42,498.06x = 63,747 × 20,243.94
4. Step 4: Simplify right side
   42,498.06x = 1,290,490,443.18
5. Step 5: Solve for x
   x = 1,290,490,443.18/42,498.06
6. Step 6: Final answer
   x = 30,365.87