Finding the Fourth Proportional to 2,848.14, 3,931.27 and 1,800.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.14 : 3,931.27 = 1,800.81 : x
2. Step 2: Convert to fraction form
   2,848.14/3,931.27 = 1,800.81/x
3. Step 3: Cross multiply
   2,848.14x = 3,931.27 × 1,800.81
4. Step 4: Simplify right side
   2,848.14x = 7,079,465.83
5. Step 5: Solve for x
   x = 7,079,465.83/2,848.14
6. Step 6: Final answer
   x = 2,485.65