Finding the Fourth Proportional to 13,825.16, 19,078.71 and 7,537.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,825.16 : 19,078.71 = 7,537.54 : x
2. Step 2: Convert to fraction form
   13,825.16/19,078.71 = 7,537.54/x
3. Step 3: Cross multiply
   13,825.16x = 19,078.71 × 7,537.54
4. Step 4: Simplify right side
   13,825.16x = 143,806,444.38
5. Step 5: Solve for x
   x = 143,806,444.38/13,825.16
6. Step 6: Final answer
   x = 10,401.79