Finding the Fourth Proportional to 3,100.86, 4,278.96 and 2,051.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.86 : 4,278.96 = 2,051.10 : x
2. Step 2: Convert to fraction form
   3,100.86/4,278.96 = 2,051.10/x
3. Step 3: Cross multiply
   3,100.86x = 4,278.96 × 2,051.10
4. Step 4: Simplify right side
   3,100.86x = 8,776,574.86
5. Step 5: Solve for x
   x = 8,776,574.86/3,100.86
6. Step 6: Final answer
   x = 2,830.37