Finding the Fourth Proportional to 17,165.61, 25,704.63 and 8,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,165.61 : 25,704.63 = 8,377.50 : x
2. Step 2: Convert to fraction form
   17,165.61/25,704.63 = 8,377.50/x
3. Step 3: Cross multiply
   17,165.61x = 25,704.63 × 8,377.50
4. Step 4: Simplify right side
   17,165.61x = 215,340,537.83
5. Step 5: Solve for x
   x = 215,340,537.83/17,165.61
6. Step 6: Final answer
   x = 12,544.88