Finding the Fourth Proportional to 2,506.47, 3,455.52 and 1,667.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.47 : 3,455.52 = 1,667.22 : x
2. Step 2: Convert to fraction form
   2,506.47/3,455.52 = 1,667.22/x
3. Step 3: Cross multiply
   2,506.47x = 3,455.52 × 1,667.22
4. Step 4: Simplify right side
   2,506.47x = 5,761,112.05
5. Step 5: Solve for x
   x = 5,761,112.05/2,506.47
6. Step 6: Final answer
   x = 2,298.50