Finding the Fourth Proportional to 12,269.48, 18,376.52 and 5,681.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.48 : 18,376.52 = 5,681.81 : x
2. Step 2: Convert to fraction form
   12,269.48/18,376.52 = 5,681.81/x
3. Step 3: Cross multiply
   12,269.48x = 18,376.52 × 5,681.81
4. Step 4: Simplify right side
   12,269.48x = 104,411,944.59
5. Step 5: Solve for x
   x = 104,411,944.59/12,269.48
6. Step 6: Final answer
   x = 8,509.90