Finding the Fourth Proportional to 12,488.67, 18,717.39 and 8,034.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.67 : 18,717.39 = 8,034.48 : x
2. Step 2: Convert to fraction form
   12,488.67/18,717.39 = 8,034.48/x
3. Step 3: Cross multiply
   12,488.67x = 18,717.39 × 8,034.48
4. Step 4: Simplify right side
   12,488.67x = 150,384,495.61
5. Step 5: Solve for x
   x = 150,384,495.61/12,488.67
6. Step 6: Final answer
   x = 12,041.67