Finding the Fourth Proportional to 3,615.93, 4,989.83 and 2,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.93 : 4,989.83 = 2,124 : x
2. Step 2: Convert to fraction form
   3,615.93/4,989.83 = 2,124/x
3. Step 3: Cross multiply
   3,615.93x = 4,989.83 × 2,124
4. Step 4: Simplify right side
   3,615.93x = 10,598,388.30
5. Step 5: Solve for x
   x = 10,598,388.30/3,615.93
6. Step 6: Final answer
   x = 2,931.03