Finding the Fourth Proportional to 35,978.39, 49,650.23 and 19,845.34

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.39 : 49,650.23 = 19,845.34 : x
2. Step 2: Convert to fraction form
   35,978.39/49,650.23 = 19,845.34/x
3. Step 3: Cross multiply
   35,978.39x = 49,650.23 × 19,845.34
4. Step 4: Simplify right side
   35,978.39x = 985,325,472.08
5. Step 5: Solve for x
   x = 985,325,472.08/35,978.39
6. Step 6: Final answer
   x = 27,386.59