Finding the Fourth Proportional to 25,388.82, 35,028.47 and 16,443.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,388.82 : 35,028.47 = 16,443.18 : x
2. Step 2: Convert to fraction form
   25,388.82/35,028.47 = 16,443.18/x
3. Step 3: Cross multiply
   25,388.82x = 35,028.47 × 16,443.18
4. Step 4: Simplify right side
   25,388.82x = 575,979,355.12
5. Step 5: Solve for x
   x = 575,979,355.12/25,388.82
6. Step 6: Final answer
   x = 22,686.34