Finding the Fourth Proportional to 13,745.82, 18,969.18 and 7,458.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,745.82 : 18,969.18 = 7,458.18 : x
2. Step 2: Convert to fraction form
   13,745.82/18,969.18 = 7,458.18/x
3. Step 3: Cross multiply
   13,745.82x = 18,969.18 × 7,458.18
4. Step 4: Simplify right side
   13,745.82x = 141,475,558.89
5. Step 5: Solve for x
   x = 141,475,558.89/13,745.82
6. Step 6: Final answer
   x = 10,292.26