Finding the Fourth Proportional to 17,108.55, 25,649.61 and 10,855.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,108.55 : 25,649.61 = 10,855.55 : x
2. Step 2: Convert to fraction form
   17,108.55/25,649.61 = 10,855.55/x
3. Step 3: Cross multiply
   17,108.55x = 25,649.61 × 10,855.55
4. Step 4: Simplify right side
   17,108.55x = 278,440,495.59
5. Step 5: Solve for x
   x = 278,440,495.59/17,108.55
6. Step 6: Final answer
   x = 16,274.93