Finding the Fourth Proportional to 13,103.36, 19,655.64 and 3,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.36 : 19,655.64 = 3,744.72 : x
2. Step 2: Convert to fraction form
   13,103.36/19,655.64 = 3,744.72/x
3. Step 3: Cross multiply
   13,103.36x = 19,655.64 × 3,744.72
4. Step 4: Simplify right side
   13,103.36x = 73,604,868.22
5. Step 5: Solve for x
   x = 73,604,868.22/13,103.36
6. Step 6: Final answer
   x = 5,617.25