Finding the Fourth Proportional to 9,762.42, 14,640.78 and 5,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.42 : 14,640.78 = 5,601.72 : x
2. Step 2: Convert to fraction form
   9,762.42/14,640.78 = 5,601.72/x
3. Step 3: Cross multiply
   9,762.42x = 14,640.78 × 5,601.72
4. Step 4: Simplify right side
   9,762.42x = 82,013,550.14
5. Step 5: Solve for x
   x = 82,013,550.14/9,762.42
6. Step 6: Final answer
   x = 8,400.94