Finding the Fourth Proportional to 2,607.77, 3,598.78 and 1,613.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.77 : 3,598.78 = 1,613.03 : x
2. Step 2: Convert to fraction form
   2,607.77/3,598.78 = 1,613.03/x
3. Step 3: Cross multiply
   2,607.77x = 3,598.78 × 1,613.03
4. Step 4: Simplify right side
   2,607.77x = 5,804,932.04
5. Step 5: Solve for x
   x = 5,804,932.04/2,607.77
6. Step 6: Final answer
   x = 2,226.01