Finding the Fourth Proportional to 9,806.06, 14,711.86 and 3,966.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.06 : 14,711.86 = 3,966.76 : x
2. Step 2: Convert to fraction form
   9,806.06/14,711.86 = 3,966.76/x
3. Step 3: Cross multiply
   9,806.06x = 14,711.86 × 3,966.76
4. Step 4: Simplify right side
   9,806.06x = 58,358,417.77
5. Step 5: Solve for x
   x = 58,358,417.77/9,806.06
6. Step 6: Final answer
   x = 5,951.26