Finding the Fourth Proportional to 12,896.46, 19,344.72 and 3,536.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.46 : 19,344.72 = 3,536.58 : x
2. Step 2: Convert to fraction form
   12,896.46/19,344.72 = 3,536.58/x
3. Step 3: Cross multiply
   12,896.46x = 19,344.72 × 3,536.58
4. Step 4: Simplify right side
   12,896.46x = 68,414,149.86
5. Step 5: Solve for x
   x = 68,414,149.86/12,896.46
6. Step 6: Final answer
   x = 5,304.88