Finding the Fourth Proportional to 13,786.89, 19,025.73 and 7,499.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.89 : 19,025.73 = 7,499.27 : x
2. Step 2: Convert to fraction form
   13,786.89/19,025.73 = 7,499.27/x
3. Step 3: Cross multiply
   13,786.89x = 19,025.73 × 7,499.27
4. Step 4: Simplify right side
   13,786.89x = 142,678,991.09
5. Step 5: Solve for x
   x = 142,678,991.09/13,786.89
6. Step 6: Final answer
   x = 10,348.89