Finding the Fourth Proportional to 2,602.32, 3,591.20 and 1,423.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.32 : 3,591.20 = 1,423.38 : x
2. Step 2: Convert to fraction form
   2,602.32/3,591.20 = 1,423.38/x
3. Step 3: Cross multiply
   2,602.32x = 3,591.20 × 1,423.38
4. Step 4: Simplify right side
   2,602.32x = 5,111,635.14
5. Step 5: Solve for x
   x = 5,111,635.14/2,602.32
6. Step 6: Final answer
   x = 1,964.26