Finding the Fourth Proportional to 22,075.98, 30,449.43 and 14,990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,075.98 : 30,449.43 = 14,990.10 : x
2. Step 2: Convert to fraction form
   22,075.98/30,449.43 = 14,990.10/x
3. Step 3: Cross multiply
   22,075.98x = 30,449.43 × 14,990.10
4. Step 4: Simplify right side
   22,075.98x = 456,440,000.64
5. Step 5: Solve for x
   x = 456,440,000.64/22,075.98
6. Step 6: Final answer
   x = 20,675.87