Finding the Fourth Proportional to 7,131.55, 10,673.02 and 7,131.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.55 : 10,673.02 = 7,131.55 : x
2. Step 2: Convert to fraction form
   7,131.55/10,673.02 = 7,131.55/x
3. Step 3: Cross multiply
   7,131.55x = 10,673.02 × 7,131.55
4. Step 4: Simplify right side
   7,131.55x = 76,115,175.78
5. Step 5: Solve for x
   x = 76,115,175.78/7,131.55
6. Step 6: Final answer
   x = 10,673.02