Finding the Fourth Proportional to 25,513.42, 35,181.05 and 15,949.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,513.42 : 35,181.05 = 15,949.82 : x
2. Step 2: Convert to fraction form
   25,513.42/35,181.05 = 15,949.82/x
3. Step 3: Cross multiply
   25,513.42x = 35,181.05 × 15,949.82
4. Step 4: Simplify right side
   25,513.42x = 561,131,414.91
5. Step 5: Solve for x
   x = 561,131,414.91/25,513.42
6. Step 6: Final answer
   x = 21,993.58