Finding the Fourth Proportional to 35,978.97, 49,651.20 and 20,064.43

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.97 : 49,651.20 = 20,064.43 : x
2. Step 2: Convert to fraction form
   35,978.97/49,651.20 = 20,064.43/x
3. Step 3: Cross multiply
   35,978.97x = 49,651.20 × 20,064.43
4. Step 4: Simplify right side
   35,978.97x = 996,222,678.24
5. Step 5: Solve for x
   x = 996,222,678.24/35,978.97
6. Step 6: Final answer
   x = 27,689.03