Finding the Fourth Proportional to 1,667.82, 2,486.53 and 1,625.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.82 : 2,486.53 = 1,625.22 : x
2. Step 2: Convert to fraction form
   1,667.82/2,486.53 = 1,625.22/x
3. Step 3: Cross multiply
   1,667.82x = 2,486.53 × 1,625.22
4. Step 4: Simplify right side
   1,667.82x = 4,041,154.22
5. Step 5: Solve for x
   x = 4,041,154.22/1,667.82
6. Step 6: Final answer
   x = 2,423.02