Finding the Fourth Proportional to 7,665.25, 11,502.31 and 3,222.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,665.25 : 11,502.31 = 3,222.56 : x
2. Step 2: Convert to fraction form
   7,665.25/11,502.31 = 3,222.56/x
3. Step 3: Cross multiply
   7,665.25x = 11,502.31 × 3,222.56
4. Step 4: Simplify right side
   7,665.25x = 37,066,904.81
5. Step 5: Solve for x
   x = 37,066,904.81/7,665.25
6. Step 6: Final answer
   x = 4,835.71