Finding the Fourth Proportional to 2,124.27, 3,188.27 and 1,137.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.27 : 3,188.27 = 1,137.89 : x
2. Step 2: Convert to fraction form
   2,124.27/3,188.27 = 1,137.89/x
3. Step 3: Cross multiply
   2,124.27x = 3,188.27 × 1,137.89
4. Step 4: Simplify right side
   2,124.27x = 3,627,911.37
5. Step 5: Solve for x
   x = 3,627,911.37/2,124.27
6. Step 6: Final answer
   x = 1,707.84