Finding the Fourth Proportional to 3,638.03, 5,020.38 and 2,146.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638.03 : 5,020.38 = 2,146.01 : x
2. Step 2: Convert to fraction form
   3,638.03/5,020.38 = 2,146.01/x
3. Step 3: Cross multiply
   3,638.03x = 5,020.38 × 2,146.01
4. Step 4: Simplify right side
   3,638.03x = 10,773,760.58
5. Step 5: Solve for x
   x = 10,773,760.58/3,638.03
6. Step 6: Final answer
   x = 2,961.43