Finding the Fourth Proportional to 9,826.77, 14,742.44 and 2,806.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.77 : 14,742.44 = 2,806.89 : x
2. Step 2: Convert to fraction form
   9,826.77/14,742.44 = 2,806.89/x
3. Step 3: Cross multiply
   9,826.77x = 14,742.44 × 2,806.89
4. Step 4: Simplify right side
   9,826.77x = 41,380,407.41
5. Step 5: Solve for x
   x = 41,380,407.41/9,826.77
6. Step 6: Final answer
   x = 4,210.99