Finding the Fourth Proportional to 11,346.12, 17,019.72 and 3,555

Step by Step Solution

1. Step 1: Write the proportion equation
   11,346.12 : 17,019.72 = 3,555 : x
2. Step 2: Convert to fraction form
   11,346.12/17,019.72 = 3,555/x
3. Step 3: Cross multiply
   11,346.12x = 17,019.72 × 3,555
4. Step 4: Simplify right side
   11,346.12x = 60,505,104.60
5. Step 5: Solve for x
   x = 60,505,104.60/11,346.12
6. Step 6: Final answer
   x = 5,332.67