Finding the Fourth Proportional to 2,606.10, 3,596.43 and 1,427.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.10 : 3,596.43 = 1,427.28 : x
2. Step 2: Convert to fraction form
   2,606.10/3,596.43 = 1,427.28/x
3. Step 3: Cross multiply
   2,606.10x = 3,596.43 × 1,427.28
4. Step 4: Simplify right side
   2,606.10x = 5,133,112.61
5. Step 5: Solve for x
   x = 5,133,112.61/2,606.10
6. Step 6: Final answer
   x = 1,969.65