Finding the Fourth Proportional to 12,333.56, 18,504.97 and 7,406.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,333.56 : 18,504.97 = 7,406.73 : x
2. Step 2: Convert to fraction form
   12,333.56/18,504.97 = 7,406.73/x
3. Step 3: Cross multiply
   12,333.56x = 18,504.97 × 7,406.73
4. Step 4: Simplify right side
   12,333.56x = 137,061,367.32
5. Step 5: Solve for x
   x = 137,061,367.32/12,333.56
6. Step 6: Final answer
   x = 11,112.88