Finding the Fourth Proportional to 13,257.49, 19,862.83 and 7,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,257.49 : 19,862.83 = 7,003.69 : x
2. Step 2: Convert to fraction form
   13,257.49/19,862.83 = 7,003.69/x
3. Step 3: Cross multiply
   13,257.49x = 19,862.83 × 7,003.69
4. Step 4: Simplify right side
   13,257.49x = 139,113,103.84
5. Step 5: Solve for x
   x = 139,113,103.84/13,257.49
6. Step 6: Final answer
   x = 10,493.17