Finding the Fourth Proportional to 7,443.77, 10,272.33 and 4,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.77 : 10,272.33 = 4,086.50 : x
2. Step 2: Convert to fraction form
   7,443.77/10,272.33 = 4,086.50/x
3. Step 3: Cross multiply
   7,443.77x = 10,272.33 × 4,086.50
4. Step 4: Simplify right side
   7,443.77x = 41,977,825.18
5. Step 5: Solve for x
   x = 41,977,825.18/7,443.77
6. Step 6: Final answer
   x = 5,639.33