Finding the Fourth Proportional to 2,290.72, 3,433.55 and 1,499.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.72 : 3,433.55 = 1,499.13 : x
2. Step 2: Convert to fraction form
   2,290.72/3,433.55 = 1,499.13/x
3. Step 3: Cross multiply
   2,290.72x = 3,433.55 × 1,499.13
4. Step 4: Simplify right side
   2,290.72x = 5,147,337.81
5. Step 5: Solve for x
   x = 5,147,337.81/2,290.72
6. Step 6: Final answer
   x = 2,247.04