Finding the Fourth Proportional to 12,402.72, 17,112.67 and 7,364.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.72 : 17,112.67 = 7,364.82 : x
2. Step 2: Convert to fraction form
   12,402.72/17,112.67 = 7,364.82/x
3. Step 3: Cross multiply
   12,402.72x = 17,112.67 × 7,364.82
4. Step 4: Simplify right side
   12,402.72x = 126,031,780.03
5. Step 5: Solve for x
   x = 126,031,780.03/12,402.72
6. Step 6: Final answer
   x = 10,161.62