Finding the Fourth Proportional to 12,963.83, 19,443.41 and 3,604.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,963.83 : 19,443.41 = 3,604.48 : x
2. Step 2: Convert to fraction form
   12,963.83/19,443.41 = 3,604.48/x
3. Step 3: Cross multiply
   12,963.83x = 19,443.41 × 3,604.48
4. Step 4: Simplify right side
   12,963.83x = 70,083,267.24
5. Step 5: Solve for x
   x = 70,083,267.24/12,963.83
6. Step 6: Final answer
   x = 5,406.06