Finding the Fourth Proportional to 35,680.31, 49,238.83 and 19,765.79

Step by Step Solution

1. Step 1: Write the proportion equation
   35,680.31 : 49,238.83 = 19,765.79 : x
2. Step 2: Convert to fraction form
   35,680.31/49,238.83 = 19,765.79/x
3. Step 3: Cross multiply
   35,680.31x = 49,238.83 × 19,765.79
4. Step 4: Simplify right side
   35,680.31x = 973,244,521.43
5. Step 5: Solve for x
   x = 973,244,521.43/35,680.31
6. Step 6: Final answer
   x = 27,276.79