Finding the Fourth Proportional to 2,606.93, 3,597.56 and 1,428.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.93 : 3,597.56 = 1,428.03 : x
2. Step 2: Convert to fraction form
   2,606.93/3,597.56 = 1,428.03/x
3. Step 3: Cross multiply
   2,606.93x = 3,597.56 × 1,428.03
4. Step 4: Simplify right side
   2,606.93x = 5,137,429.85
5. Step 5: Solve for x
   x = 5,137,429.85/2,606.93
6. Step 6: Final answer
   x = 1,970.68