Finding the Fourth Proportional to 25,818.69, 35,629.69 and 14,488.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,818.69 : 35,629.69 = 14,488.16 : x
2. Step 2: Convert to fraction form
   25,818.69/35,629.69 = 14,488.16/x
3. Step 3: Cross multiply
   25,818.69x = 35,629.69 × 14,488.16
4. Step 4: Simplify right side
   25,818.69x = 516,208,398.88
5. Step 5: Solve for x
   x = 516,208,398.88/25,818.69
6. Step 6: Final answer
   x = 19,993.60