Finding the Fourth Proportional to 35,680.38, 49,238.28 and 19,764.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,680.38 : 49,238.28 = 19,764.78 : x
2. Step 2: Convert to fraction form
   35,680.38/49,238.28 = 19,764.78/x
3. Step 3: Cross multiply
   35,680.38x = 49,238.28 × 19,764.78
4. Step 4: Simplify right side
   35,680.38x = 973,183,771.78
5. Step 5: Solve for x
   x = 973,183,771.78/35,680.38
6. Step 6: Final answer
   x = 27,275.04