Finding the Fourth Proportional to 1,667.52, 2,310.92 and 1,644.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.52 : 2,310.92 = 1,644.03 : x
2. Step 2: Convert to fraction form
   1,667.52/2,310.92 = 1,644.03/x
3. Step 3: Cross multiply
   1,667.52x = 2,310.92 × 1,644.03
4. Step 4: Simplify right side
   1,667.52x = 3,799,221.81
5. Step 5: Solve for x
   x = 3,799,221.81/1,667.52
6. Step 6: Final answer
   x = 2,278.37