Finding the Fourth Proportional to 12,089.07, 18,131.47 and 3,204.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.07 : 18,131.47 = 3,204.50 : x
2. Step 2: Convert to fraction form
   12,089.07/18,131.47 = 3,204.50/x
3. Step 3: Cross multiply
   12,089.07x = 18,131.47 × 3,204.50
4. Step 4: Simplify right side
   12,089.07x = 58,102,196.95
5. Step 5: Solve for x
   x = 58,102,196.95/12,089.07
6. Step 6: Final answer
   x = 4,806.18