Finding the Fourth Proportional to 11,440.81, 17,162.75 and 3,543.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,440.81 : 17,162.75 = 3,543.96 : x
2. Step 2: Convert to fraction form
   11,440.81/17,162.75 = 3,543.96/x
3. Step 3: Cross multiply
   11,440.81x = 17,162.75 × 3,543.96
4. Step 4: Simplify right side
   11,440.81x = 60,824,172.71
5. Step 5: Solve for x
   x = 60,824,172.71/11,440.81
6. Step 6: Final answer
   x = 5,316.42