Finding the Fourth Proportional to 2,659.06, 3,984.94 and 1,357.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.06 : 3,984.94 = 1,357.80 : x
2. Step 2: Convert to fraction form
   2,659.06/3,984.94 = 1,357.80/x
3. Step 3: Cross multiply
   2,659.06x = 3,984.94 × 1,357.80
4. Step 4: Simplify right side
   2,659.06x = 5,410,751.53
5. Step 5: Solve for x
   x = 5,410,751.53/2,659.06
6. Step 6: Final answer
   x = 2,034.84