Finding the Fourth Proportional to 2,210.40, 3,048.77 and 1,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.40 : 3,048.77 = 1,423.69 : x
2. Step 2: Convert to fraction form
   2,210.40/3,048.77 = 1,423.69/x
3. Step 3: Cross multiply
   2,210.40x = 3,048.77 × 1,423.69
4. Step 4: Simplify right side
   2,210.40x = 4,340,499.30
5. Step 5: Solve for x
   x = 4,340,499.30/2,210.40
6. Step 6: Final answer
   x = 1,963.67