Finding the Fourth Proportional to 7,456.94, 10,290.59 and 4,270.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.94 : 10,290.59 = 4,270.28 : x
2. Step 2: Convert to fraction form
   7,456.94/10,290.59 = 4,270.28/x
3. Step 3: Cross multiply
   7,456.94x = 10,290.59 × 4,270.28
4. Step 4: Simplify right side
   7,456.94x = 43,943,659.89
5. Step 5: Solve for x
   x = 43,943,659.89/7,456.94
6. Step 6: Final answer
   x = 5,892.99