Finding the Fourth Proportional to 7,443.11, 10,271.46 and 4,085.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.11 : 10,271.46 = 4,085.84 : x
2. Step 2: Convert to fraction form
   7,443.11/10,271.46 = 4,085.84/x
3. Step 3: Cross multiply
   7,443.11x = 10,271.46 × 4,085.84
4. Step 4: Simplify right side
   7,443.11x = 41,967,490.77
5. Step 5: Solve for x
   x = 41,967,490.77/7,443.11
6. Step 6: Final answer
   x = 5,638.44