Finding the Fourth Proportional to 7,614.51, 11,428.69 and 5,289.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,614.51 : 11,428.69 = 5,289.46 : x
2. Step 2: Convert to fraction form
   7,614.51/11,428.69 = 5,289.46/x
3. Step 3: Cross multiply
   7,614.51x = 11,428.69 × 5,289.46
4. Step 4: Simplify right side
   7,614.51x = 60,451,606.31
5. Step 5: Solve for x
   x = 60,451,606.31/7,614.51
6. Step 6: Final answer
   x = 7,939.00