Finding the Fourth Proportional to 36,638.06, 50,560.61 and 19,871.06

Step by Step Solution

1. Step 1: Write the proportion equation
   36,638.06 : 50,560.61 = 19,871.06 : x
2. Step 2: Convert to fraction form
   36,638.06/50,560.61 = 19,871.06/x
3. Step 3: Cross multiply
   36,638.06x = 50,560.61 × 19,871.06
4. Step 4: Simplify right side
   36,638.06x = 1,004,692,562.79
5. Step 5: Solve for x
   x = 1,004,692,562.79/36,638.06
6. Step 6: Final answer
   x = 27,422.10