Finding the Fourth Proportional to 6,401.53, 8,831.25 and 3,747.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.53 : 8,831.25 = 3,747.77 : x
2. Step 2: Convert to fraction form
   6,401.53/8,831.25 = 3,747.77/x
3. Step 3: Cross multiply
   6,401.53x = 8,831.25 × 3,747.77
4. Step 4: Simplify right side
   6,401.53x = 33,097,493.81
5. Step 5: Solve for x
   x = 33,097,493.81/6,401.53
6. Step 6: Final answer
   x = 5,170.25