Finding the Fourth Proportional to 12,999.03, 17,939.73 and 7,333.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,999.03 : 17,939.73 = 7,333.49 : x
2. Step 2: Convert to fraction form
   12,999.03/17,939.73 = 7,333.49/x
3. Step 3: Cross multiply
   12,999.03x = 17,939.73 × 7,333.49
4. Step 4: Simplify right side
   12,999.03x = 131,560,830.56
5. Step 5: Solve for x
   x = 131,560,830.56/12,999.03
6. Step 6: Final answer
   x = 10,120.82