Finding the Fourth Proportional to 12,945.24, 19,414.32 and 3,583.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,945.24 : 19,414.32 = 3,583.02 : x
2. Step 2: Convert to fraction form
   12,945.24/19,414.32 = 3,583.02/x
3. Step 3: Cross multiply
   12,945.24x = 19,414.32 × 3,583.02
4. Step 4: Simplify right side
   12,945.24x = 69,561,896.85
5. Step 5: Solve for x
   x = 69,561,896.85/12,945.24
6. Step 6: Final answer
   x = 5,373.55