Finding the Fourth Proportional to 2,606.17, 3,596.46 and 1,427.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.17 : 3,596.46 = 1,427.20 : x
2. Step 2: Convert to fraction form
   2,606.17/3,596.46 = 1,427.20/x
3. Step 3: Cross multiply
   2,606.17x = 3,596.46 × 1,427.20
4. Step 4: Simplify right side
   2,606.17x = 5,132,867.71
5. Step 5: Solve for x
   x = 5,132,867.71/2,606.17
6. Step 6: Final answer
   x = 1,969.51