Finding the Fourth Proportional to 2,607.08, 3,598.40 and 1,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.08 : 3,598.40 = 1,613.12 : x
2. Step 2: Convert to fraction form
   2,607.08/3,598.40 = 1,613.12/x
3. Step 3: Cross multiply
   2,607.08x = 3,598.40 × 1,613.12
4. Step 4: Simplify right side
   2,607.08x = 5,804,642.94
5. Step 5: Solve for x
   x = 5,804,642.94/2,607.08
6. Step 6: Final answer
   x = 2,226.49