Finding the Fourth Proportional to 4,797.91, 7,185.25 and 3,970.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,797.91 : 7,185.25 = 3,970.09 : x
2. Step 2: Convert to fraction form
   4,797.91/7,185.25 = 3,970.09/x
3. Step 3: Cross multiply
   4,797.91x = 7,185.25 × 3,970.09
4. Step 4: Simplify right side
   4,797.91x = 28,526,089.17
5. Step 5: Solve for x
   x = 28,526,089.17/4,797.91
6. Step 6: Final answer
   x = 5,945.52