Finding the Fourth Proportional to 3,101.86, 4,280.34 and 2,052.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.86 : 4,280.34 = 2,052.10 : x
2. Step 2: Convert to fraction form
   3,101.86/4,280.34 = 2,052.10/x
3. Step 3: Cross multiply
   3,101.86x = 4,280.34 × 2,052.10
4. Step 4: Simplify right side
   3,101.86x = 8,783,685.71
5. Step 5: Solve for x
   x = 8,783,685.71/3,101.86
6. Step 6: Final answer
   x = 2,831.75