Finding the Fourth Proportional to 1,667.52, 2,505.87 and 1,559.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.52 : 2,505.87 = 1,559.16 : x
2. Step 2: Convert to fraction form
   1,667.52/2,505.87 = 1,559.16/x
3. Step 3: Cross multiply
   1,667.52x = 2,505.87 × 1,559.16
4. Step 4: Simplify right side
   1,667.52x = 3,907,052.27
5. Step 5: Solve for x
   x = 3,907,052.27/1,667.52
6. Step 6: Final answer
   x = 2,343.03