Finding the Fourth Proportional to 2,298, 3,168 and 1,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298 : 3,168 = 1,636.50 : x
2. Step 2: Convert to fraction form
   2,298/3,168 = 1,636.50/x
3. Step 3: Cross multiply
   2,298x = 3,168 × 1,636.50
4. Step 4: Simplify right side
   2,298x = 5,184,432
5. Step 5: Solve for x
   x = 5,184,432/2,298
6. Step 6: Final answer
   x = 2,256.06