Finding the Fourth Proportional to 22,146.90, 30,561.93 and 12,075.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.90 : 30,561.93 = 12,075.18 : x
2. Step 2: Convert to fraction form
   22,146.90/30,561.93 = 12,075.18/x
3. Step 3: Cross multiply
   22,146.90x = 30,561.93 × 12,075.18
4. Step 4: Simplify right side
   22,146.90x = 369,040,805.90
5. Step 5: Solve for x
   x = 369,040,805.90/22,146.90
6. Step 6: Final answer
   x = 16,663.32