Finding the Fourth Proportional to 25,852.69, 35,689.98 and 15,245.74

Step by Step Solution

1. Step 1: Write the proportion equation
   25,852.69 : 35,689.98 = 15,245.74 : x
2. Step 2: Convert to fraction form
   25,852.69/35,689.98 = 15,245.74/x
3. Step 3: Cross multiply
   25,852.69x = 35,689.98 × 15,245.74
4. Step 4: Simplify right side
   25,852.69x = 544,120,155.69
5. Step 5: Solve for x
   x = 544,120,155.69/25,852.69
6. Step 6: Final answer
   x = 21,046.95