Finding the Fourth Proportional to 9,810, 14,716.83 and 3,970.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810 : 14,716.83 = 3,970.71 : x
2. Step 2: Convert to fraction form
   9,810/14,716.83 = 3,970.71/x
3. Step 3: Cross multiply
   9,810x = 14,716.83 × 3,970.71
4. Step 4: Simplify right side
   9,810x = 58,436,264.05
5. Step 5: Solve for x
   x = 58,436,264.05/9,810
6. Step 6: Final answer
   x = 5,956.81