Finding the Fourth Proportional to 3,086.42, 4,258.63 and 1,826.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.42 : 4,258.63 = 1,826.84 : x
2. Step 2: Convert to fraction form
   3,086.42/4,258.63 = 1,826.84/x
3. Step 3: Cross multiply
   3,086.42x = 4,258.63 × 1,826.84
4. Step 4: Simplify right side
   3,086.42x = 7,779,835.63
5. Step 5: Solve for x
   x = 7,779,835.63/3,086.42
6. Step 6: Final answer
   x = 2,520.67