Finding the Fourth Proportional to 2,077.04, 3,112.96 and 1,636.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.04 : 3,112.96 = 1,636.56 : x
2. Step 2: Convert to fraction form
   2,077.04/3,112.96 = 1,636.56/x
3. Step 3: Cross multiply
   2,077.04x = 3,112.96 × 1,636.56
4. Step 4: Simplify right side
   2,077.04x = 5,094,526.98
5. Step 5: Solve for x
   x = 5,094,526.98/2,077.04
6. Step 6: Final answer
   x = 2,452.78