Finding the Fourth Proportional to 12,966.37, 19,450.95 and 3,606.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.37 : 19,450.95 = 3,606.42 : x
2. Step 2: Convert to fraction form
   12,966.37/19,450.95 = 3,606.42/x
3. Step 3: Cross multiply
   12,966.37x = 19,450.95 × 3,606.42
4. Step 4: Simplify right side
   12,966.37x = 70,148,245.10
5. Step 5: Solve for x
   x = 70,148,245.10/12,966.37
6. Step 6: Final answer
   x = 5,410.01