Finding the Fourth Proportional to 12,259.47, 18,389.39 and 5,930.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,259.47 : 18,389.39 = 5,930.67 : x
2. Step 2: Convert to fraction form
   12,259.47/18,389.39 = 5,930.67/x
3. Step 3: Cross multiply
   12,259.47x = 18,389.39 × 5,930.67
4. Step 4: Simplify right side
   12,259.47x = 109,061,373.94
5. Step 5: Solve for x
   x = 109,061,373.94/12,259.47
6. Step 6: Final answer
   x = 8,896.09