Finding the Fourth Proportional to 9,343.10, 13,109.50 and 9,343.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.10 : 13,109.50 = 9,343.10 : x
2. Step 2: Convert to fraction form
   9,343.10/13,109.50 = 9,343.10/x
3. Step 3: Cross multiply
   9,343.10x = 13,109.50 × 9,343.10
4. Step 4: Simplify right side
   9,343.10x = 122,483,369.45
5. Step 5: Solve for x
   x = 122,483,369.45/9,343.10
6. Step 6: Final answer
   x = 13,109.50