Finding the Fourth Proportional to 2,653.03, 3,980.16 and 804.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.03 : 3,980.16 = 804.16 : x
2. Step 2: Convert to fraction form
   2,653.03/3,980.16 = 804.16/x
3. Step 3: Cross multiply
   2,653.03x = 3,980.16 × 804.16
4. Step 4: Simplify right side
   2,653.03x = 3,200,685.47
5. Step 5: Solve for x
   x = 3,200,685.47/2,653.03
6. Step 6: Final answer
   x = 1,206.43