Finding the Fourth Proportional to 9,725.99, 14,591.28 and 3,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.99 : 14,591.28 = 3,152.16 : x
2. Step 2: Convert to fraction form
   9,725.99/14,591.28 = 3,152.16/x
3. Step 3: Cross multiply
   9,725.99x = 14,591.28 × 3,152.16
4. Step 4: Simplify right side
   9,725.99x = 45,994,049.16
5. Step 5: Solve for x
   x = 45,994,049.16/9,725.99
6. Step 6: Final answer
   x = 4,728.99