Finding the Fourth Proportional to 7,443.51, 10,272.14 and 4,085.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.51 : 10,272.14 = 4,085.83 : x
2. Step 2: Convert to fraction form
   7,443.51/10,272.14 = 4,085.83/x
3. Step 3: Cross multiply
   7,443.51x = 10,272.14 × 4,085.83
4. Step 4: Simplify right side
   7,443.51x = 41,970,217.78
5. Step 5: Solve for x
   x = 41,970,217.78/7,443.51
6. Step 6: Final answer
   x = 5,638.50