Finding the Fourth Proportional to 25,946.58, 35,799.69 and 15,871.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,946.58 : 35,799.69 = 15,871.34 : x
2. Step 2: Convert to fraction form
   25,946.58/35,799.69 = 15,871.34/x
3. Step 3: Cross multiply
   25,946.58x = 35,799.69 × 15,871.34
4. Step 4: Simplify right side
   25,946.58x = 568,189,051.88
5. Step 5: Solve for x
   x = 568,189,051.88/25,946.58
6. Step 6: Final answer
   x = 21,898.42