Finding the Fourth Proportional to 3,637.86, 5,019.37 and 2,124.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.86 : 5,019.37 = 2,124.56 : x
2. Step 2: Convert to fraction form
   3,637.86/5,019.37 = 2,124.56/x
3. Step 3: Cross multiply
   3,637.86x = 5,019.37 × 2,124.56
4. Step 4: Simplify right side
   3,637.86x = 10,663,960.56
5. Step 5: Solve for x
   x = 10,663,960.56/3,637.86
6. Step 6: Final answer
   x = 2,931.38