Finding the Fourth Proportional to 2,423.05, 3,342.89 and 1,478.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.05 : 3,342.89 = 1,478.18 : x
2. Step 2: Convert to fraction form
   2,423.05/3,342.89 = 1,478.18/x
3. Step 3: Cross multiply
   2,423.05x = 3,342.89 × 1,478.18
4. Step 4: Simplify right side
   2,423.05x = 4,941,405.19
5. Step 5: Solve for x
   x = 4,941,405.19/2,423.05
6. Step 6: Final answer
   x = 2,039.33