Finding the Fourth Proportional to 12,965.39, 19,445.75 and 3,606.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.39 : 19,445.75 = 3,606.04 : x
2. Step 2: Convert to fraction form
   12,965.39/19,445.75 = 3,606.04/x
3. Step 3: Cross multiply
   12,965.39x = 19,445.75 × 3,606.04
4. Step 4: Simplify right side
   12,965.39x = 70,122,085.69
5. Step 5: Solve for x
   x = 70,122,085.69/12,965.39
6. Step 6: Final answer
   x = 5,408.41