Finding the Fourth Proportional to 35,891.78, 49,530.15 and 19,976.22

Step by Step Solution

1. Step 1: Write the proportion equation
   35,891.78 : 49,530.15 = 19,976.22 : x
2. Step 2: Convert to fraction form
   35,891.78/49,530.15 = 19,976.22/x
3. Step 3: Cross multiply
   35,891.78x = 49,530.15 × 19,976.22
4. Step 4: Simplify right side
   35,891.78x = 989,425,173.03
5. Step 5: Solve for x
   x = 989,425,173.03/35,891.78
6. Step 6: Final answer
   x = 27,566.91