Finding the Fourth Proportional to 2,546.93, 3,820.74 and 1,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.93 : 3,820.74 = 1,086.43 : x
2. Step 2: Convert to fraction form
   2,546.93/3,820.74 = 1,086.43/x
3. Step 3: Cross multiply
   2,546.93x = 3,820.74 × 1,086.43
4. Step 4: Simplify right side
   2,546.93x = 4,150,957.01
5. Step 5: Solve for x
   x = 4,150,957.01/2,546.93
6. Step 6: Final answer
   x = 1,629.79