Finding the Fourth Proportional to 2,287.98, 3,430.53 and 1,507.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.98 : 3,430.53 = 1,507.14 : x
2. Step 2: Convert to fraction form
   2,287.98/3,430.53 = 1,507.14/x
3. Step 3: Cross multiply
   2,287.98x = 3,430.53 × 1,507.14
4. Step 4: Simplify right side
   2,287.98x = 5,170,288.98
5. Step 5: Solve for x
   x = 5,170,288.98/2,287.98
6. Step 6: Final answer
   x = 2,259.76