Finding the Fourth Proportional to 7,111.45, 10,614.50 and 6,673.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.45 : 10,614.50 = 6,673.69 : x
2. Step 2: Convert to fraction form
   7,111.45/10,614.50 = 6,673.69/x
3. Step 3: Cross multiply
   7,111.45x = 10,614.50 × 6,673.69
4. Step 4: Simplify right side
   7,111.45x = 70,837,882.51
5. Step 5: Solve for x
   x = 70,837,882.51/7,111.45
6. Step 6: Final answer
   x = 9,961.10