Finding the Fourth Proportional to 7,559.72, 10,428.78 and 4,907.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,559.72 : 10,428.78 = 4,907.96 : x
2. Step 2: Convert to fraction form
   7,559.72/10,428.78 = 4,907.96/x
3. Step 3: Cross multiply
   7,559.72x = 10,428.78 × 4,907.96
4. Step 4: Simplify right side
   7,559.72x = 51,184,035.09
5. Step 5: Solve for x
   x = 51,184,035.09/7,559.72
6. Step 6: Final answer
   x = 6,770.63