Finding the Fourth Proportional to 7,747.59, 10,688.72 and 4,762.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,747.59 : 10,688.72 = 4,762.47 : x
2. Step 2: Convert to fraction form
   7,747.59/10,688.72 = 4,762.47/x
3. Step 3: Cross multiply
   7,747.59x = 10,688.72 × 4,762.47
4. Step 4: Simplify right side
   7,747.59x = 50,904,684.53
5. Step 5: Solve for x
   x = 50,904,684.53/7,747.59
6. Step 6: Final answer
   x = 6,570.39