Finding the Fourth Proportional to 2,612.10, 3,604.72 and 1,667.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.10 : 3,604.72 = 1,667.06 : x
2. Step 2: Convert to fraction form
   2,612.10/3,604.72 = 1,667.06/x
3. Step 3: Cross multiply
   2,612.10x = 3,604.72 × 1,667.06
4. Step 4: Simplify right side
   2,612.10x = 6,009,284.52
5. Step 5: Solve for x
   x = 6,009,284.52/2,612.10
6. Step 6: Final answer
   x = 2,300.56