Finding the Fourth Proportional to 35,993, 49,670.39 and 20,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   35,993 : 49,670.39 = 20,078.47 : x
2. Step 2: Convert to fraction form
   35,993/49,670.39 = 20,078.47/x
3. Step 3: Cross multiply
   35,993x = 49,670.39 × 20,078.47
4. Step 4: Simplify right side
   35,993x = 997,305,086.76
5. Step 5: Solve for x
   x = 997,305,086.76/35,993
6. Step 6: Final answer
   x = 27,708.31