Finding the Fourth Proportional to 13,786.88, 19,025.82 and 7,499.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.88 : 19,025.82 = 7,499.28 : x
2. Step 2: Convert to fraction form
   13,786.88/19,025.82 = 7,499.28/x
3. Step 3: Cross multiply
   13,786.88x = 19,025.82 × 7,499.28
4. Step 4: Simplify right side
   13,786.88x = 142,679,951.41
5. Step 5: Solve for x
   x = 142,679,951.41/13,786.88
6. Step 6: Final answer
   x = 10,348.97