Finding the Fourth Proportional to 12,395.33, 18,593.55 and 3,511.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,395.33 : 18,593.55 = 3,511.32 : x
2. Step 2: Convert to fraction form
   12,395.33/18,593.55 = 3,511.32/x
3. Step 3: Cross multiply
   12,395.33x = 18,593.55 × 3,511.32
4. Step 4: Simplify right side
   12,395.33x = 65,287,834.26
5. Step 5: Solve for x
   x = 65,287,834.26/12,395.33
6. Step 6: Final answer
   x = 5,267.13