Finding the Fourth Proportional to 3,637.16, 5,019.12 and 2,145.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.16 : 5,019.12 = 2,145.02 : x
2. Step 2: Convert to fraction form
   3,637.16/5,019.12 = 2,145.02/x
3. Step 3: Cross multiply
   3,637.16x = 5,019.12 × 2,145.02
4. Step 4: Simplify right side
   3,637.16x = 10,766,112.78
5. Step 5: Solve for x
   x = 10,766,112.78/3,637.16
6. Step 6: Final answer
   x = 2,960.03