Finding the Fourth Proportional to 11,842.81, 17,764.50 and 5,605.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,842.81 : 17,764.50 = 5,605.73 : x
2. Step 2: Convert to fraction form
   11,842.81/17,764.50 = 5,605.73/x
3. Step 3: Cross multiply
   11,842.81x = 17,764.50 × 5,605.73
4. Step 4: Simplify right side
   11,842.81x = 99,582,990.59
5. Step 5: Solve for x
   x = 99,582,990.59/11,842.81
6. Step 6: Final answer
   x = 8,408.73