Finding the Fourth Proportional to 13,268.56, 18,311.06 and 7,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,268.56 : 18,311.06 = 7,300.48 : x
2. Step 2: Convert to fraction form
   13,268.56/18,311.06 = 7,300.48/x
3. Step 3: Cross multiply
   13,268.56x = 18,311.06 × 7,300.48
4. Step 4: Simplify right side
   13,268.56x = 133,679,399.25
5. Step 5: Solve for x
   x = 133,679,399.25/13,268.56
6. Step 6: Final answer
   x = 10,074.90