Finding the Fourth Proportional to 13,649.00, 18,834.09 and 7,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,649.00 : 18,834.09 = 7,682.72 : x
2. Step 2: Convert to fraction form
   13,649.00/18,834.09 = 7,682.72/x
3. Step 3: Cross multiply
   13,649.00x = 18,834.09 × 7,682.72
4. Step 4: Simplify right side
   13,649.00x = 144,697,087.01
5. Step 5: Solve for x
   x = 144,697,087.01/13,649.00
6. Step 6: Final answer
   x = 10,601.29