Finding the Fourth Proportional to 13,003.75, 19,502.36 and 3,641.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.75 : 19,502.36 = 3,641.34 : x
2. Step 2: Convert to fraction form
   13,003.75/19,502.36 = 3,641.34/x
3. Step 3: Cross multiply
   13,003.75x = 19,502.36 × 3,641.34
4. Step 4: Simplify right side
   13,003.75x = 71,014,723.56
5. Step 5: Solve for x
   x = 71,014,723.56/13,003.75
6. Step 6: Final answer
   x = 5,461.10