Finding the Fourth Proportional to 2,606.43, 3,596.79 and 1,427.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.43 : 3,596.79 = 1,427.49 : x
2. Step 2: Convert to fraction form
   2,606.43/3,596.79 = 1,427.49/x
3. Step 3: Cross multiply
   2,606.43x = 3,596.79 × 1,427.49
4. Step 4: Simplify right side
   2,606.43x = 5,134,381.76
5. Step 5: Solve for x
   x = 5,134,381.76/2,606.43
6. Step 6: Final answer
   x = 1,969.89