Finding the Fourth Proportional to 5,507.28, 7,605.72 and 4,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,507.28 : 7,605.72 = 4,716.72 : x
2. Step 2: Convert to fraction form
   5,507.28/7,605.72 = 4,716.72/x
3. Step 3: Cross multiply
   5,507.28x = 7,605.72 × 4,716.72
4. Step 4: Simplify right side
   5,507.28x = 35,874,051.64
5. Step 5: Solve for x
   x = 35,874,051.64/5,507.28
6. Step 6: Final answer
   x = 6,513.93