Finding the Fourth Proportional to 17,103.63, 25,656.17 and 5,416.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,103.63 : 25,656.17 = 5,416.59 : x
2. Step 2: Convert to fraction form
   17,103.63/25,656.17 = 5,416.59/x
3. Step 3: Cross multiply
   17,103.63x = 25,656.17 × 5,416.59
4. Step 4: Simplify right side
   17,103.63x = 138,968,926.78
5. Step 5: Solve for x
   x = 138,968,926.78/17,103.63
6. Step 6: Final answer
   x = 8,125.11