Finding the Fourth Proportional to 42,078.24, 63,100.89 and 15,768.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,078.24 : 63,100.89 = 15,768.63 : x
2. Step 2: Convert to fraction form
   42,078.24/63,100.89 = 15,768.63/x
3. Step 3: Cross multiply
   42,078.24x = 63,100.89 × 15,768.63
4. Step 4: Simplify right side
   42,078.24x = 995,014,587.08
5. Step 5: Solve for x
   x = 995,014,587.08/42,078.24
6. Step 6: Final answer
   x = 23,646.77