Finding the Fourth Proportional to 12,804.69, 17,663.49 and 8,023.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,804.69 : 17,663.49 = 8,023.59 : x
2. Step 2: Convert to fraction form
   12,804.69/17,663.49 = 8,023.59/x
3. Step 3: Cross multiply
   12,804.69x = 17,663.49 × 8,023.59
4. Step 4: Simplify right side
   12,804.69x = 141,724,601.73
5. Step 5: Solve for x
   x = 141,724,601.73/12,804.69
6. Step 6: Final answer
   x = 11,068.18