Finding the Fourth Proportional to 9,721.56, 14,584.86 and 2,796.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,721.56 : 14,584.86 = 2,796.12 : x
2. Step 2: Convert to fraction form
   9,721.56/14,584.86 = 2,796.12/x
3. Step 3: Cross multiply
   9,721.56x = 14,584.86 × 2,796.12
4. Step 4: Simplify right side
   9,721.56x = 40,781,018.74
5. Step 5: Solve for x
   x = 40,781,018.74/9,721.56
6. Step 6: Final answer
   x = 4,194.90