Finding the Fourth Proportional to 2,602.62, 3,591.62 and 1,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.62 : 3,591.62 = 1,423.69 : x
2. Step 2: Convert to fraction form
   2,602.62/3,591.62 = 1,423.69/x
3. Step 3: Cross multiply
   2,602.62x = 3,591.62 × 1,423.69
4. Step 4: Simplify right side
   2,602.62x = 5,113,353.48
5. Step 5: Solve for x
   x = 5,113,353.48/2,602.62
6. Step 6: Final answer
   x = 1,964.69