Finding the Fourth Proportional to 2,638.50, 3,955.13 and 1,469.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.50 : 3,955.13 = 1,469.04 : x
2. Step 2: Convert to fraction form
   2,638.50/3,955.13 = 1,469.04/x
3. Step 3: Cross multiply
   2,638.50x = 3,955.13 × 1,469.04
4. Step 4: Simplify right side
   2,638.50x = 5,810,227.51
5. Step 5: Solve for x
   x = 5,810,227.51/2,638.50
6. Step 6: Final answer
   x = 2,202.10