Finding the Fourth Proportional to 2,120.58, 3,182.90 and 1,300.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.58 : 3,182.90 = 1,300.46 : x
2. Step 2: Convert to fraction form
   2,120.58/3,182.90 = 1,300.46/x
3. Step 3: Cross multiply
   2,120.58x = 3,182.90 × 1,300.46
4. Step 4: Simplify right side
   2,120.58x = 4,139,211.72
5. Step 5: Solve for x
   x = 4,139,211.72/2,120.58
6. Step 6: Final answer
   x = 1,951.92