Finding the Fourth Proportional to 2,613.93, 3,607.27 and 1,435.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.93 : 3,607.27 = 1,435.11 : x
2. Step 2: Convert to fraction form
   2,613.93/3,607.27 = 1,435.11/x
3. Step 3: Cross multiply
   2,613.93x = 3,607.27 × 1,435.11
4. Step 4: Simplify right side
   2,613.93x = 5,176,829.25
5. Step 5: Solve for x
   x = 5,176,829.25/2,613.93
6. Step 6: Final answer
   x = 1,980.48