Finding the Fourth Proportional to 3,623.82, 5,403.18 and 3,558.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.82 : 5,403.18 = 3,558.18 : x
2. Step 2: Convert to fraction form
   3,623.82/5,403.18 = 3,558.18/x
3. Step 3: Cross multiply
   3,623.82x = 5,403.18 × 3,558.18
4. Step 4: Simplify right side
   3,623.82x = 19,225,487.01
5. Step 5: Solve for x
   x = 19,225,487.01/3,623.82
6. Step 6: Final answer
   x = 5,305.31