Finding the Fourth Proportional to 2,505.91, 3,459.56 and 1,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.91 : 3,459.56 = 1,667.75 : x
2. Step 2: Convert to fraction form
   2,505.91/3,459.56 = 1,667.75/x
3. Step 3: Cross multiply
   2,505.91x = 3,459.56 × 1,667.75
4. Step 4: Simplify right side
   2,505.91x = 5,769,681.19
5. Step 5: Solve for x
   x = 5,769,681.19/2,505.91
6. Step 6: Final answer
   x = 2,302.43