Finding the Fourth Proportional to 7,089.79, 10,640.83 and 7,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,089.79 : 10,640.83 = 7,073.39 : x
2. Step 2: Convert to fraction form
   7,089.79/10,640.83 = 7,073.39/x
3. Step 3: Cross multiply
   7,089.79x = 10,640.83 × 7,073.39
4. Step 4: Simplify right side
   7,089.79x = 75,266,651.94
5. Step 5: Solve for x
   x = 75,266,651.94/7,089.79
6. Step 6: Final answer
   x = 10,616.21