Finding the Fourth Proportional to 13,115.43, 19,673.33 and 3,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,115.43 : 19,673.33 = 3,755.30 : x
2. Step 2: Convert to fraction form
   13,115.43/19,673.33 = 3,755.30/x
3. Step 3: Cross multiply
   13,115.43x = 19,673.33 × 3,755.30
4. Step 4: Simplify right side
   13,115.43x = 73,879,139.01
5. Step 5: Solve for x
   x = 73,879,139.01/13,115.43
6. Step 6: Final answer
   x = 5,632.99