Finding the Fourth Proportional to 3,969.76, 5,948.16 and 3,818.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.76 : 5,948.16 = 3,818.08 : x
2. Step 2: Convert to fraction form
   3,969.76/5,948.16 = 3,818.08/x
3. Step 3: Cross multiply
   3,969.76x = 5,948.16 × 3,818.08
4. Step 4: Simplify right side
   3,969.76x = 22,710,550.73
5. Step 5: Solve for x
   x = 22,710,550.73/3,969.76
6. Step 6: Final answer
   x = 5,720.89