Finding the Fourth Proportional to 7,287.28, 10,055.71 and 4,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.28 : 10,055.71 = 4,100.49 : x
2. Step 2: Convert to fraction form
   7,287.28/10,055.71 = 4,100.49/x
3. Step 3: Cross multiply
   7,287.28x = 10,055.71 × 4,100.49
4. Step 4: Simplify right side
   7,287.28x = 41,233,360.31
5. Step 5: Solve for x
   x = 41,233,360.31/7,287.28
6. Step 6: Final answer
   x = 5,658.27