Finding the Fourth Proportional to 2,308.02, 3,184.98 and 1,423.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.02 : 3,184.98 = 1,423.80 : x
2. Step 2: Convert to fraction form
   2,308.02/3,184.98 = 1,423.80/x
3. Step 3: Cross multiply
   2,308.02x = 3,184.98 × 1,423.80
4. Step 4: Simplify right side
   2,308.02x = 4,534,771.90
5. Step 5: Solve for x
   x = 4,534,771.90/2,308.02
6. Step 6: Final answer
   x = 1,964.79