Finding the Fourth Proportional to 9,809.10, 14,716.35 and 3,969.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,809.10 : 14,716.35 = 3,969.81 : x
2. Step 2: Convert to fraction form
   9,809.10/14,716.35 = 3,969.81/x
3. Step 3: Cross multiply
   9,809.10x = 14,716.35 × 3,969.81
4. Step 4: Simplify right side
   9,809.10x = 58,421,113.39
5. Step 5: Solve for x
   x = 58,421,113.39/9,809.10
6. Step 6: Final answer
   x = 5,955.81