Finding the Fourth Proportional to 9,725.24, 14,589.98 and 3,151.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.24 : 14,589.98 = 3,151.28 : x
2. Step 2: Convert to fraction form
   9,725.24/14,589.98 = 3,151.28/x
3. Step 3: Cross multiply
   9,725.24x = 14,589.98 × 3,151.28
4. Step 4: Simplify right side
   9,725.24x = 45,977,112.17
5. Step 5: Solve for x
   x = 45,977,112.17/9,725.24
6. Step 6: Final answer
   x = 4,727.61