Finding the Fourth Proportional to 13,786.98, 19,026.81 and 7,499.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.98 : 19,026.81 = 7,499.22 : x
2. Step 2: Convert to fraction form
   13,786.98/19,026.81 = 7,499.22/x
3. Step 3: Cross multiply
   13,786.98x = 19,026.81 × 7,499.22
4. Step 4: Simplify right side
   13,786.98x = 142,686,234.09
5. Step 5: Solve for x
   x = 142,686,234.09/13,786.98
6. Step 6: Final answer
   x = 10,349.35