Finding the Fourth Proportional to 13,694.00, 18,898.59 and 7,723.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,694.00 : 18,898.59 = 7,723.49 : x
2. Step 2: Convert to fraction form
   13,694.00/18,898.59 = 7,723.49/x
3. Step 3: Cross multiply
   13,694.00x = 18,898.59 × 7,723.49
4. Step 4: Simplify right side
   13,694.00x = 145,962,976.39
5. Step 5: Solve for x
   x = 145,962,976.39/13,694.00
6. Step 6: Final answer
   x = 10,658.90