Finding the Fourth Proportional to 4,790.96, 7,185.89 and 1,281.33

Step by Step Solution

1. Step 1: Write the proportion equation
   4,790.96 : 7,185.89 = 1,281.33 : x
2. Step 2: Convert to fraction form
   4,790.96/7,185.89 = 1,281.33/x
3. Step 3: Cross multiply
   4,790.96x = 7,185.89 × 1,281.33
4. Step 4: Simplify right side
   4,790.96x = 9,207,499.64
5. Step 5: Solve for x
   x = 9,207,499.64/4,790.96
6. Step 6: Final answer
   x = 1,921.85