Finding the Fourth Proportional to 6,459.81, 8,914.55 and 4,225.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,459.81 : 8,914.55 = 4,225.47 : x
2. Step 2: Convert to fraction form
   6,459.81/8,914.55 = 4,225.47/x
3. Step 3: Cross multiply
   6,459.81x = 8,914.55 × 4,225.47
4. Step 4: Simplify right side
   6,459.81x = 37,668,142.46
5. Step 5: Solve for x
   x = 37,668,142.46/6,459.81
6. Step 6: Final answer
   x = 5,831.15