Finding the Fourth Proportional to 28,449.68, 42,665.33 and 9,469.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,449.68 : 42,665.33 = 9,469.25 : x
2. Step 2: Convert to fraction form
   28,449.68/42,665.33 = 9,469.25/x
3. Step 3: Cross multiply
   28,449.68x = 42,665.33 × 9,469.25
4. Step 4: Simplify right side
   28,449.68x = 404,008,886.44
5. Step 5: Solve for x
   x = 404,008,886.44/28,449.68
6. Step 6: Final answer
   x = 14,200.82