Finding the Fourth Proportional to 12,238.61, 18,364.19 and 5,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.61 : 18,364.19 = 5,998.50 : x
2. Step 2: Convert to fraction form
   12,238.61/18,364.19 = 5,998.50/x
3. Step 3: Cross multiply
   12,238.61x = 18,364.19 × 5,998.50
4. Step 4: Simplify right side
   12,238.61x = 110,157,563.72
5. Step 5: Solve for x
   x = 110,157,563.72/12,238.61
6. Step 6: Final answer
   x = 9,000.83