Finding the Fourth Proportional to 7,442.42, 10,270.76 and 4,085.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,442.42 : 10,270.76 = 4,085.46 : x
2. Step 2: Convert to fraction form
   7,442.42/10,270.76 = 4,085.46/x
3. Step 3: Cross multiply
   7,442.42x = 10,270.76 × 4,085.46
4. Step 4: Simplify right side
   7,442.42x = 41,960,758.72
5. Step 5: Solve for x
   x = 41,960,758.72/7,442.42
6. Step 6: Final answer
   x = 5,638.06