Finding the Fourth Proportional to 7,443.07, 10,271.40 and 4,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.07 : 10,271.40 = 4,085.94 : x
2. Step 2: Convert to fraction form
   7,443.07/10,271.40 = 4,085.94/x
3. Step 3: Cross multiply
   7,443.07x = 10,271.40 × 4,085.94
4. Step 4: Simplify right side
   7,443.07x = 41,968,303.69
5. Step 5: Solve for x
   x = 41,968,303.69/7,443.07
6. Step 6: Final answer
   x = 5,638.57