Finding the Fourth Proportional to 7,443.60, 11,161.59 and 3,935.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.60 : 11,161.59 = 3,935.49 : x
2. Step 2: Convert to fraction form
   7,443.60/11,161.59 = 3,935.49/x
3. Step 3: Cross multiply
   7,443.60x = 11,161.59 × 3,935.49
4. Step 4: Simplify right side
   7,443.60x = 43,926,325.83
5. Step 5: Solve for x
   x = 43,926,325.83/7,443.60
6. Step 6: Final answer
   x = 5,901.22