Finding the Fourth Proportional to 2,602.38, 3,591.20 and 1,423.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.38 : 3,591.20 = 1,423.46 : x
2. Step 2: Convert to fraction form
   2,602.38/3,591.20 = 1,423.46/x
3. Step 3: Cross multiply
   2,602.38x = 3,591.20 × 1,423.46
4. Step 4: Simplify right side
   2,602.38x = 5,111,929.55
5. Step 5: Solve for x
   x = 5,111,929.55/2,602.38
6. Step 6: Final answer
   x = 1,964.33