Finding the Fourth Proportional to 36,745.31, 50,708.57 and 19,978.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,745.31 : 50,708.57 = 19,978.31 : x
2. Step 2: Convert to fraction form
   36,745.31/50,708.57 = 19,978.31/x
3. Step 3: Cross multiply
   36,745.31x = 50,708.57 × 19,978.31
4. Step 4: Simplify right side
   36,745.31x = 1,013,071,558.00
5. Step 5: Solve for x
   x = 1,013,071,558.00/36,745.31
6. Step 6: Final answer
   x = 27,570.09