Finding the Fourth Proportional to 22,075.89, 30,465.84 and 13,578.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,075.89 : 30,465.84 = 13,578.49 : x
2. Step 2: Convert to fraction form
   22,075.89/30,465.84 = 13,578.49/x
3. Step 3: Cross multiply
   22,075.89x = 30,465.84 × 13,578.49
4. Step 4: Simplify right side
   22,075.89x = 413,680,103.78
5. Step 5: Solve for x
   x = 413,680,103.78/22,075.89
6. Step 6: Final answer
   x = 18,739.00