Finding the Fourth Proportional to 21,608.59, 29,825.50 and 14,075.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,608.59 : 29,825.50 = 14,075.59 : x
2. Step 2: Convert to fraction form
   21,608.59/29,825.50 = 14,075.59/x
3. Step 3: Cross multiply
   21,608.59x = 29,825.50 × 14,075.59
4. Step 4: Simplify right side
   21,608.59x = 419,811,482.11
5. Step 5: Solve for x
   x = 419,811,482.11/21,608.59
6. Step 6: Final answer
   x = 19,427.99