Finding the Fourth Proportional to 7,223.58, 10,845.43 and 3,716.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.58 : 10,845.43 = 3,716.55 : x
2. Step 2: Convert to fraction form
   7,223.58/10,845.43 = 3,716.55/x
3. Step 3: Cross multiply
   7,223.58x = 10,845.43 × 3,716.55
4. Step 4: Simplify right side
   7,223.58x = 40,307,573.58
5. Step 5: Solve for x
   x = 40,307,573.58/7,223.58
6. Step 6: Final answer
   x = 5,580.00