Finding the Fourth Proportional to 2,124.43, 3,188.49 and 1,138.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.43 : 3,188.49 = 1,138.03 : x
2. Step 2: Convert to fraction form
   2,124.43/3,188.49 = 1,138.03/x
3. Step 3: Cross multiply
   2,124.43x = 3,188.49 × 1,138.03
4. Step 4: Simplify right side
   2,124.43x = 3,628,597.27
5. Step 5: Solve for x
   x = 3,628,597.27/2,124.43
6. Step 6: Final answer
   x = 1,708.03