Finding the Fourth Proportional to 35,601.12, 49,128.39 and 19,685.57

Step by Step Solution

1. Step 1: Write the proportion equation
   35,601.12 : 49,128.39 = 19,685.57 : x
2. Step 2: Convert to fraction form
   35,601.12/49,128.39 = 19,685.57/x
3. Step 3: Cross multiply
   35,601.12x = 49,128.39 × 19,685.57
4. Step 4: Simplify right side
   35,601.12x = 967,120,114.69
5. Step 5: Solve for x
   x = 967,120,114.69/35,601.12
6. Step 6: Final answer
   x = 27,165.44