Finding the Fourth Proportional to 35,978.72, 49,650.96 and 19,846.65

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.72 : 49,650.96 = 19,846.65 : x
2. Step 2: Convert to fraction form
   35,978.72/49,650.96 = 19,846.65/x
3. Step 3: Cross multiply
   35,978.72x = 49,650.96 × 19,846.65
4. Step 4: Simplify right side
   35,978.72x = 985,405,126.05
5. Step 5: Solve for x
   x = 985,405,126.05/35,978.72
6. Step 6: Final answer
   x = 27,388.55