Finding the Fourth Proportional to 17,132.88, 25,694.16 and 7,272

Step by Step Solution

1. Step 1: Write the proportion equation
   17,132.88 : 25,694.16 = 7,272 : x
2. Step 2: Convert to fraction form
   17,132.88/25,694.16 = 7,272/x
3. Step 3: Cross multiply
   17,132.88x = 25,694.16 × 7,272
4. Step 4: Simplify right side
   17,132.88x = 186,847,931.52
5. Step 5: Solve for x
   x = 186,847,931.52/17,132.88
6. Step 6: Final answer
   x = 10,905.81