Finding the Fourth Proportional to 2,810.34, 4,209.86 and 1,400.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.34 : 4,209.86 = 1,400.51 : x
2. Step 2: Convert to fraction form
   2,810.34/4,209.86 = 1,400.51/x
3. Step 3: Cross multiply
   2,810.34x = 4,209.86 × 1,400.51
4. Step 4: Simplify right side
   2,810.34x = 5,895,951.03
5. Step 5: Solve for x
   x = 5,895,951.03/2,810.34
6. Step 6: Final answer
   x = 2,097.95