Finding the Fourth Proportional to 35,978.42, 49,650.36 and 20,064.08

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.42 : 49,650.36 = 20,064.08 : x
2. Step 2: Convert to fraction form
   35,978.42/49,650.36 = 20,064.08/x
3. Step 3: Cross multiply
   35,978.42x = 49,650.36 × 20,064.08
4. Step 4: Simplify right side
   35,978.42x = 996,188,795.07
5. Step 5: Solve for x
   x = 996,188,795.07/35,978.42
6. Step 6: Final answer
   x = 27,688.51