Finding the Fourth Proportional to 9,823.12, 14,737.34 and 3,983.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.12 : 14,737.34 = 3,983.80 : x
2. Step 2: Convert to fraction form
   9,823.12/14,737.34 = 3,983.80/x
3. Step 3: Cross multiply
   9,823.12x = 14,737.34 × 3,983.80
4. Step 4: Simplify right side
   9,823.12x = 58,710,615.09
5. Step 5: Solve for x
   x = 58,710,615.09/9,823.12
6. Step 6: Final answer
   x = 5,976.78