Finding the Fourth Proportional to 7,326.47, 10,995.61 and 3,817.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,326.47 : 10,995.61 = 3,817.55 : x
2. Step 2: Convert to fraction form
   7,326.47/10,995.61 = 3,817.55/x
3. Step 3: Cross multiply
   7,326.47x = 10,995.61 × 3,817.55
4. Step 4: Simplify right side
   7,326.47x = 41,976,290.96
5. Step 5: Solve for x
   x = 41,976,290.96/7,326.47
6. Step 6: Final answer
   x = 5,729.40