Finding the Fourth Proportional to 11,559.55, 17,328.76 and 4,162.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,559.55 : 17,328.76 = 4,162.32 : x
2. Step 2: Convert to fraction form
   11,559.55/17,328.76 = 4,162.32/x
3. Step 3: Cross multiply
   11,559.55x = 17,328.76 × 4,162.32
4. Step 4: Simplify right side
   11,559.55x = 72,127,844.32
5. Step 5: Solve for x
   x = 72,127,844.32/11,559.55
6. Step 6: Final answer
   x = 6,239.68