Finding the Fourth Proportional to 25,510.74, 35,196.12 and 15,944.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,510.74 : 35,196.12 = 15,944.10 : x
2. Step 2: Convert to fraction form
   25,510.74/35,196.12 = 15,944.10/x
3. Step 3: Cross multiply
   25,510.74x = 35,196.12 × 15,944.10
4. Step 4: Simplify right side
   25,510.74x = 561,170,456.89
5. Step 5: Solve for x
   x = 561,170,456.89/25,510.74
6. Step 6: Final answer
   x = 21,997.42