Finding the Fourth Proportional to 1,667.91, 2,503.15 and 1,582.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.91 : 2,503.15 = 1,582.26 : x
2. Step 2: Convert to fraction form
   1,667.91/2,503.15 = 1,582.26/x
3. Step 3: Cross multiply
   1,667.91x = 2,503.15 × 1,582.26
4. Step 4: Simplify right side
   1,667.91x = 3,960,630.16
5. Step 5: Solve for x
   x = 3,960,630.16/1,667.91
6. Step 6: Final answer
   x = 2,374.61