Finding the Fourth Proportional to 17,128.64, 25,697.52 and 7,268.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128.64 : 25,697.52 = 7,268.48 : x
2. Step 2: Convert to fraction form
   17,128.64/25,697.52 = 7,268.48/x
3. Step 3: Cross multiply
   17,128.64x = 25,697.52 × 7,268.48
4. Step 4: Simplify right side
   17,128.64x = 186,781,910.17
5. Step 5: Solve for x
   x = 186,781,910.17/17,128.64
6. Step 6: Final answer
   x = 10,904.66