Finding the Fourth Proportional to 17,097.90, 25,644.28 and 5,409.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,097.90 : 25,644.28 = 5,409.60 : x
2. Step 2: Convert to fraction form
   17,097.90/25,644.28 = 5,409.60/x
3. Step 3: Cross multiply
   17,097.90x = 25,644.28 × 5,409.60
4. Step 4: Simplify right side
   17,097.90x = 138,725,141.82
5. Step 5: Solve for x
   x = 138,725,141.82/17,097.90
6. Step 6: Final answer
   x = 8,113.58