Finding the Fourth Proportional to 13,786.98, 19,026.18 and 7,499.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.98 : 19,026.18 = 7,499.37 : x
2. Step 2: Convert to fraction form
   13,786.98/19,026.18 = 7,499.37/x
3. Step 3: Cross multiply
   13,786.98x = 19,026.18 × 7,499.37
4. Step 4: Simplify right side
   13,786.98x = 142,684,363.51
5. Step 5: Solve for x
   x = 142,684,363.51/13,786.98
6. Step 6: Final answer
   x = 10,349.21