Finding the Fourth Proportional to 2,507.44, 3,459.72 and 1,667.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.44 : 3,459.72 = 1,667.20 : x
2. Step 2: Convert to fraction form
   2,507.44/3,459.72 = 1,667.20/x
3. Step 3: Cross multiply
   2,507.44x = 3,459.72 × 1,667.20
4. Step 4: Simplify right side
   2,507.44x = 5,768,045.18
5. Step 5: Solve for x
   x = 5,768,045.18/2,507.44
6. Step 6: Final answer
   x = 2,300.37