Finding the Fourth Proportional to 13,786.70, 19,025.54 and 7,499.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.70 : 19,025.54 = 7,499.08 : x
2. Step 2: Convert to fraction form
   13,786.70/19,025.54 = 7,499.08/x
3. Step 3: Cross multiply
   13,786.70x = 19,025.54 × 7,499.08
4. Step 4: Simplify right side
   13,786.70x = 142,674,046.50
5. Step 5: Solve for x
   x = 142,674,046.50/13,786.70
6. Step 6: Final answer
   x = 10,348.67