Finding the Fourth Proportional to 9,981.32, 14,963.34 and 3,821

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.32 : 14,963.34 = 3,821 : x
2. Step 2: Convert to fraction form
   9,981.32/14,963.34 = 3,821/x
3. Step 3: Cross multiply
   9,981.32x = 14,963.34 × 3,821
4. Step 4: Simplify right side
   9,981.32x = 57,174,922.14
5. Step 5: Solve for x
   x = 57,174,922.14/9,981.32
6. Step 6: Final answer
   x = 5,728.19