Finding the Fourth Proportional to 9,433.75, 13,018.57 and 5,185.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,433.75 : 13,018.57 = 5,185.09 : x
2. Step 2: Convert to fraction form
   9,433.75/13,018.57 = 5,185.09/x
3. Step 3: Cross multiply
   9,433.75x = 13,018.57 × 5,185.09
4. Step 4: Simplify right side
   9,433.75x = 67,502,411.61
5. Step 5: Solve for x
   x = 67,502,411.61/9,433.75
6. Step 6: Final answer
   x = 7,155.42