Finding the Fourth Proportional to 17,100.68, 25,634.63 and 5,405.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.68 : 25,634.63 = 5,405.71 : x
2. Step 2: Convert to fraction form
   17,100.68/25,634.63 = 5,405.71/x
3. Step 3: Cross multiply
   17,100.68x = 25,634.63 × 5,405.71
4. Step 4: Simplify right side
   17,100.68x = 138,573,220.54
5. Step 5: Solve for x
   x = 138,573,220.54/17,100.68
6. Step 6: Final answer
   x = 8,103.37