Finding the Fourth Proportional to 17,103.51, 25,655.98 and 5,416.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,103.51 : 25,655.98 = 5,416.47 : x
2. Step 2: Convert to fraction form
   17,103.51/25,655.98 = 5,416.47/x
3. Step 3: Cross multiply
   17,103.51x = 25,655.98 × 5,416.47
4. Step 4: Simplify right side
   17,103.51x = 138,964,704.17
5. Step 5: Solve for x
   x = 138,964,704.17/17,103.51
6. Step 6: Final answer
   x = 8,124.93