Finding the Fourth Proportional to 7,274.42, 10,913.25 and 3,985.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,274.42 : 10,913.25 = 3,985.82 : x
2. Step 2: Convert to fraction form
   7,274.42/10,913.25 = 3,985.82/x
3. Step 3: Cross multiply
   7,274.42x = 10,913.25 × 3,985.82
4. Step 4: Simplify right side
   7,274.42x = 43,498,250.12
5. Step 5: Solve for x
   x = 43,498,250.12/7,274.42
6. Step 6: Final answer
   x = 5,979.62