Finding the Fourth Proportional to 17,106.63, 25,796.73 and 16,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,106.63 : 25,796.73 = 16,872.72 : x
2. Step 2: Convert to fraction form
   17,106.63/25,796.73 = 16,872.72/x
3. Step 3: Cross multiply
   17,106.63x = 25,796.73 × 16,872.72
4. Step 4: Simplify right side
   17,106.63x = 435,261,002.21
5. Step 5: Solve for x
   x = 435,261,002.21/17,106.63
6. Step 6: Final answer
   x = 25,443.99