Finding the Fourth Proportional to 2,025.81, 3,037.10 and 872.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.81 : 3,037.10 = 872.37 : x
2. Step 2: Convert to fraction form
   2,025.81/3,037.10 = 872.37/x
3. Step 3: Cross multiply
   2,025.81x = 3,037.10 × 872.37
4. Step 4: Simplify right side
   2,025.81x = 2,649,470.57
5. Step 5: Solve for x
   x = 2,649,470.57/2,025.81
6. Step 6: Final answer
   x = 1,307.86