Finding the Fourth Proportional to 17,128.75, 25,697.46 and 4,816.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128.75 : 25,697.46 = 4,816.75 : x
2. Step 2: Convert to fraction form
   17,128.75/25,697.46 = 4,816.75/x
3. Step 3: Cross multiply
   17,128.75x = 25,697.46 × 4,816.75
4. Step 4: Simplify right side
   17,128.75x = 123,778,240.46
5. Step 5: Solve for x
   x = 123,778,240.46/17,128.75
6. Step 6: Final answer
   x = 7,226.34