Finding the Fourth Proportional to 2,120.45, 3,182.49 and 1,134.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.45 : 3,182.49 = 1,134.05 : x
2. Step 2: Convert to fraction form
   2,120.45/3,182.49 = 1,134.05/x
3. Step 3: Cross multiply
   2,120.45x = 3,182.49 × 1,134.05
4. Step 4: Simplify right side
   2,120.45x = 3,609,086.87
5. Step 5: Solve for x
   x = 3,609,086.87/2,120.45
6. Step 6: Final answer
   x = 1,702.04