Finding the Fourth Proportional to 13,074.56, 18,043 and 7,106.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.56 : 18,043 = 7,106.23 : x
2. Step 2: Convert to fraction form
   13,074.56/18,043 = 7,106.23/x
3. Step 3: Cross multiply
   13,074.56x = 18,043 × 7,106.23
4. Step 4: Simplify right side
   13,074.56x = 128,217,707.89
5. Step 5: Solve for x
   x = 128,217,707.89/13,074.56
6. Step 6: Final answer
   x = 9,806.66