Finding the Fourth Proportional to 13,103.94, 19,655.56 and 3,243.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.94 : 19,655.56 = 3,243.31 : x
2. Step 2: Convert to fraction form
   13,103.94/19,655.56 = 3,243.31/x
3. Step 3: Cross multiply
   13,103.94x = 19,655.56 × 3,243.31
4. Step 4: Simplify right side
   13,103.94x = 63,749,029.22
5. Step 5: Solve for x
   x = 63,749,029.22/13,103.94
6. Step 6: Final answer
   x = 4,864.87