Finding the Fourth Proportional to 11,268.40, 16,890.72 and 4,687.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,268.40 : 16,890.72 = 4,687.96 : x
2. Step 2: Convert to fraction form
   11,268.40/16,890.72 = 4,687.96/x
3. Step 3: Cross multiply
   11,268.40x = 16,890.72 × 4,687.96
4. Step 4: Simplify right side
   11,268.40x = 79,183,019.73
5. Step 5: Solve for x
   x = 79,183,019.73/11,268.40
6. Step 6: Final answer
   x = 7,027.00