Finding the Fourth Proportional to 35,859.80, 49,487.72 and 19,727.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,859.80 : 49,487.72 = 19,727.78 : x
2. Step 2: Convert to fraction form
   35,859.80/49,487.72 = 19,727.78/x
3. Step 3: Cross multiply
   35,859.80x = 49,487.72 × 19,727.78
4. Step 4: Simplify right side
   35,859.80x = 976,282,852.86
5. Step 5: Solve for x
   x = 976,282,852.86/35,859.80
6. Step 6: Final answer
   x = 27,224.99