Finding the Fourth Proportional to 2,752.42, 4,128.99 and 804.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.42 : 4,128.99 = 804.59 : x
2. Step 2: Convert to fraction form
   2,752.42/4,128.99 = 804.59/x
3. Step 3: Cross multiply
   2,752.42x = 4,128.99 × 804.59
4. Step 4: Simplify right side
   2,752.42x = 3,322,144.06
5. Step 5: Solve for x
   x = 3,322,144.06/2,752.42
6. Step 6: Final answer
   x = 1,206.99