Finding the Fourth Proportional to 2,875.23, 3,969.15 and 2,036.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.23 : 3,969.15 = 2,036.61 : x
2. Step 2: Convert to fraction form
   2,875.23/3,969.15 = 2,036.61/x
3. Step 3: Cross multiply
   2,875.23x = 3,969.15 × 2,036.61
4. Step 4: Simplify right side
   2,875.23x = 8,083,610.58
5. Step 5: Solve for x
   x = 8,083,610.58/2,875.23
6. Step 6: Final answer
   x = 2,811.47