Finding the Fourth Proportional to 3,722.96, 5,556.17 and 3,572.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.96 : 5,556.17 = 3,572.26 : x
2. Step 2: Convert to fraction form
   3,722.96/5,556.17 = 3,572.26/x
3. Step 3: Cross multiply
   3,722.96x = 5,556.17 × 3,572.26
4. Step 4: Simplify right side
   3,722.96x = 19,848,083.84
5. Step 5: Solve for x
   x = 19,848,083.84/3,722.96
6. Step 6: Final answer
   x = 5,331.26