Finding the Fourth Proportional to 12,869.34, 19,307.34 and 3,635.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869.34 : 19,307.34 = 3,635.34 : x
2. Step 2: Convert to fraction form
   12,869.34/19,307.34 = 3,635.34/x
3. Step 3: Cross multiply
   12,869.34x = 19,307.34 × 3,635.34
4. Step 4: Simplify right side
   12,869.34x = 70,188,745.40
5. Step 5: Solve for x
   x = 70,188,745.40/12,869.34
6. Step 6: Final answer
   x = 5,453.95