Finding the Fourth Proportional to 9,815.50, 14,726.49 and 3,968.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.50 : 14,726.49 = 3,968.92 : x
2. Step 2: Convert to fraction form
   9,815.50/14,726.49 = 3,968.92/x
3. Step 3: Cross multiply
   9,815.50x = 14,726.49 × 3,968.92
4. Step 4: Simplify right side
   9,815.50x = 58,448,260.69
5. Step 5: Solve for x
   x = 58,448,260.69/9,815.50
6. Step 6: Final answer
   x = 5,954.69