Finding the Fourth Proportional to 12,048.30, 18,072.59 and 5,806.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.30 : 18,072.59 = 5,806.98 : x
2. Step 2: Convert to fraction form
   12,048.30/18,072.59 = 5,806.98/x
3. Step 3: Cross multiply
   12,048.30x = 18,072.59 × 5,806.98
4. Step 4: Simplify right side
   12,048.30x = 104,947,139.64
5. Step 5: Solve for x
   x = 104,947,139.64/12,048.30
6. Step 6: Final answer
   x = 8,710.54