Finding the Fourth Proportional to 7,255.87, 10,013.91 and 4,272.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,255.87 : 10,013.91 = 4,272.45 : x
2. Step 2: Convert to fraction form
   7,255.87/10,013.91 = 4,272.45/x
3. Step 3: Cross multiply
   7,255.87x = 10,013.91 × 4,272.45
4. Step 4: Simplify right side
   7,255.87x = 42,783,929.78
5. Step 5: Solve for x
   x = 42,783,929.78/7,255.87
6. Step 6: Final answer
   x = 5,896.46