Finding the Fourth Proportional to 13,009.50, 19,513.56 and 3,650.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.50 : 19,513.56 = 3,650.18 : x
2. Step 2: Convert to fraction form
   13,009.50/19,513.56 = 3,650.18/x
3. Step 3: Cross multiply
   13,009.50x = 19,513.56 × 3,650.18
4. Step 4: Simplify right side
   13,009.50x = 71,227,908.87
5. Step 5: Solve for x
   x = 71,227,908.87/13,009.50
6. Step 6: Final answer
   x = 5,475.07