Finding the Fourth Proportional to 7,444.17, 10,272.39 and 4,086.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,444.17 : 10,272.39 = 4,086.45 : x
2. Step 2: Convert to fraction form
   7,444.17/10,272.39 = 4,086.45/x
3. Step 3: Cross multiply
   7,444.17x = 10,272.39 × 4,086.45
4. Step 4: Simplify right side
   7,444.17x = 41,977,644.01
5. Step 5: Solve for x
   x = 41,977,644.01/7,444.17
6. Step 6: Final answer
   x = 5,638.99