Finding the Fourth Proportional to 17,106.10, 25,659 and 5,419.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,106.10 : 25,659 = 5,419.02 : x
2. Step 2: Convert to fraction form
   17,106.10/25,659 = 5,419.02/x
3. Step 3: Cross multiply
   17,106.10x = 25,659 × 5,419.02
4. Step 4: Simplify right side
   17,106.10x = 139,046,634.18
5. Step 5: Solve for x
   x = 139,046,634.18/17,106.10
6. Step 6: Final answer
   x = 8,128.48