Finding the Fourth Proportional to 13,825.13, 19,078.89 and 7,537.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,825.13 : 19,078.89 = 7,537.51 : x
2. Step 2: Convert to fraction form
   13,825.13/19,078.89 = 7,537.51/x
3. Step 3: Cross multiply
   13,825.13x = 19,078.89 × 7,537.51
4. Step 4: Simplify right side
   13,825.13x = 143,807,228.77
5. Step 5: Solve for x
   x = 143,807,228.77/13,825.13
6. Step 6: Final answer
   x = 10,401.87