Finding the Fourth Proportional to 7,109.79, 10,668.42 and 5,043.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.79 : 10,668.42 = 5,043.12 : x
2. Step 2: Convert to fraction form
   7,109.79/10,668.42 = 5,043.12/x
3. Step 3: Cross multiply
   7,109.79x = 10,668.42 × 5,043.12
4. Step 4: Simplify right side
   7,109.79x = 53,802,122.27
5. Step 5: Solve for x
   x = 53,802,122.27/7,109.79
6. Step 6: Final answer
   x = 7,567.33