Finding the Fourth Proportional to 1,818.52, 2,508.78 and 1,423.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.52 : 2,508.78 = 1,423.96 : x
2. Step 2: Convert to fraction form
   1,818.52/2,508.78 = 1,423.96/x
3. Step 3: Cross multiply
   1,818.52x = 2,508.78 × 1,423.96
4. Step 4: Simplify right side
   1,818.52x = 3,572,402.37
5. Step 5: Solve for x
   x = 3,572,402.37/1,818.52
6. Step 6: Final answer
   x = 1,964.46