Finding the Fourth Proportional to 25,510.42, 35,176.91 and 15,946.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,510.42 : 35,176.91 = 15,946.82 : x
2. Step 2: Convert to fraction form
   25,510.42/35,176.91 = 15,946.82/x
3. Step 3: Cross multiply
   25,510.42x = 35,176.91 × 15,946.82
4. Step 4: Simplify right side
   25,510.42x = 560,959,851.93
5. Step 5: Solve for x
   x = 560,959,851.93/25,510.42
6. Step 6: Final answer
   x = 21,989.44