Finding the Fourth Proportional to 9,814.10, 14,721.12 and 3,974.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,814.10 : 14,721.12 = 3,974.81 : x
2. Step 2: Convert to fraction form
   9,814.10/14,721.12 = 3,974.81/x
3. Step 3: Cross multiply
   9,814.10x = 14,721.12 × 3,974.81
4. Step 4: Simplify right side
   9,814.10x = 58,513,581.38
5. Step 5: Solve for x
   x = 58,513,581.38/9,814.10
6. Step 6: Final answer
   x = 5,962.20