Finding the Fourth Proportional to 3,649.31, 5,036.35 and 2,077.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,649.31 : 5,036.35 = 2,077.51 : x
2. Step 2: Convert to fraction form
   3,649.31/5,036.35 = 2,077.51/x
3. Step 3: Cross multiply
   3,649.31x = 5,036.35 × 2,077.51
4. Step 4: Simplify right side
   3,649.31x = 10,463,042.31
5. Step 5: Solve for x
   x = 10,463,042.31/3,649.31
6. Step 6: Final answer
   x = 2,867.13