Finding the Fourth Proportional to 13,643.27, 18,827.52 and 7,674.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,643.27 : 18,827.52 = 7,674.94 : x
2. Step 2: Convert to fraction form
   13,643.27/18,827.52 = 7,674.94/x
3. Step 3: Cross multiply
   13,643.27x = 18,827.52 × 7,674.94
4. Step 4: Simplify right side
   13,643.27x = 144,500,086.35
5. Step 5: Solve for x
   x = 144,500,086.35/13,643.27
6. Step 6: Final answer
   x = 10,591.31