Finding the Fourth Proportional to 42,497.94, 63,746.82 and 20,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,497.94 : 63,746.82 = 20,243.82 : x
2. Step 2: Convert to fraction form
   42,497.94/63,746.82 = 20,243.82/x
3. Step 3: Cross multiply
   42,497.94x = 63,746.82 × 20,243.82
4. Step 4: Simplify right side
   42,497.94x = 1,290,479,149.65
5. Step 5: Solve for x
   x = 1,290,479,149.65/42,497.94
6. Step 6: Final answer
   x = 30,365.69