Finding the Fourth Proportional to 2,613.94, 3,607.23 and 1,435.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.94 : 3,607.23 = 1,435.08 : x
2. Step 2: Convert to fraction form
   2,613.94/3,607.23 = 1,435.08/x
3. Step 3: Cross multiply
   2,613.94x = 3,607.23 × 1,435.08
4. Step 4: Simplify right side
   2,613.94x = 5,176,682.54
5. Step 5: Solve for x
   x = 5,176,682.54/2,613.94
6. Step 6: Final answer
   x = 1,980.42