Finding the Fourth Proportional to 35,685.42, 49,243.75 and 19,768.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,685.42 : 49,243.75 = 19,768.72 : x
2. Step 2: Convert to fraction form
   35,685.42/49,243.75 = 19,768.72/x
3. Step 3: Cross multiply
   35,685.42x = 49,243.75 × 19,768.72
4. Step 4: Simplify right side
   35,685.42x = 973,486,019.65
5. Step 5: Solve for x
   x = 973,486,019.65/35,685.42
6. Step 6: Final answer
   x = 27,279.65