Finding the Fourth Proportional to 17,128.76, 25,697.45 and 4,816.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128.76 : 25,697.45 = 4,816.76 : x
2. Step 2: Convert to fraction form
   17,128.76/25,697.45 = 4,816.76/x
3. Step 3: Cross multiply
   17,128.76x = 25,697.45 × 4,816.76
4. Step 4: Simplify right side
   17,128.76x = 123,778,449.26
5. Step 5: Solve for x
   x = 123,778,449.26/17,128.76
6. Step 6: Final answer
   x = 7,226.35