Finding the Fourth Proportional to 9,836.80, 14,755.52 and 2,817.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.80 : 14,755.52 = 2,817.12 : x
2. Step 2: Convert to fraction form
   9,836.80/14,755.52 = 2,817.12/x
3. Step 3: Cross multiply
   9,836.80x = 14,755.52 × 2,817.12
4. Step 4: Simplify right side
   9,836.80x = 41,568,070.50
5. Step 5: Solve for x
   x = 41,568,070.50/9,836.80
6. Step 6: Final answer
   x = 4,225.77