Finding the Fourth Proportional to 2,286.81, 3,155.63 and 1,499.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.81 : 3,155.63 = 1,499.49 : x
2. Step 2: Convert to fraction form
   2,286.81/3,155.63 = 1,499.49/x
3. Step 3: Cross multiply
   2,286.81x = 3,155.63 × 1,499.49
4. Step 4: Simplify right side
   2,286.81x = 4,731,828.13
5. Step 5: Solve for x
   x = 4,731,828.13/2,286.81
6. Step 6: Final answer
   x = 2,069.18