Finding the Fourth Proportional to 2,169.05, 2,994.06 and 1,423.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.05 : 2,994.06 = 1,423.17 : x
2. Step 2: Convert to fraction form
   2,169.05/2,994.06 = 1,423.17/x
3. Step 3: Cross multiply
   2,169.05x = 2,994.06 × 1,423.17
4. Step 4: Simplify right side
   2,169.05x = 4,261,061.71
5. Step 5: Solve for x
   x = 4,261,061.71/2,169.05
6. Step 6: Final answer
   x = 1,964.49