Finding the Fourth Proportional to 16,019.88, 22,075.94 and 12,247.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.88 : 22,075.94 = 12,247.31 : x
2. Step 2: Convert to fraction form
   16,019.88/22,075.94 = 12,247.31/x
3. Step 3: Cross multiply
   16,019.88x = 22,075.94 × 12,247.31
4. Step 4: Simplify right side
   16,019.88x = 270,370,709.11
5. Step 5: Solve for x
   x = 270,370,709.11/16,019.88
6. Step 6: Final answer
   x = 16,877.20