Finding the Fourth Proportional to 25,849.63, 35,671.59 and 15,794.90

Step by Step Solution

1. Step 1: Write the proportion equation
   25,849.63 : 35,671.59 = 15,794.90 : x
2. Step 2: Convert to fraction form
   25,849.63/35,671.59 = 15,794.90/x
3. Step 3: Cross multiply
   25,849.63x = 35,671.59 × 15,794.90
4. Step 4: Simplify right side
   25,849.63x = 563,429,196.89
5. Step 5: Solve for x
   x = 563,429,196.89/25,849.63
6. Step 6: Final answer
   x = 21,796.41