Finding the Fourth Proportional to 2,800.10, 4,195.86 and 1,409.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.10 : 4,195.86 = 1,409.48 : x
2. Step 2: Convert to fraction form
   2,800.10/4,195.86 = 1,409.48/x
3. Step 3: Cross multiply
   2,800.10x = 4,195.86 × 1,409.48
4. Step 4: Simplify right side
   2,800.10x = 5,913,980.75
5. Step 5: Solve for x
   x = 5,913,980.75/2,800.10
6. Step 6: Final answer
   x = 2,112.06