Finding the Fourth Proportional to 42,078.69, 63,145.98 and 22,371.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,078.69 : 63,145.98 = 22,371.39 : x
2. Step 2: Convert to fraction form
   42,078.69/63,145.98 = 22,371.39/x
3. Step 3: Cross multiply
   42,078.69x = 63,145.98 × 22,371.39
4. Step 4: Simplify right side
   42,078.69x = 1,412,663,345.51
5. Step 5: Solve for x
   x = 1,412,663,345.51/42,078.69
6. Step 6: Final answer
   x = 33,571.94