Finding the Fourth Proportional to 2,910.82, 4,369.35 and 1,613.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.82 : 4,369.35 = 1,613.38 : x
2. Step 2: Convert to fraction form
   2,910.82/4,369.35 = 1,613.38/x
3. Step 3: Cross multiply
   2,910.82x = 4,369.35 × 1,613.38
4. Step 4: Simplify right side
   2,910.82x = 7,049,421.90
5. Step 5: Solve for x
   x = 7,049,421.90/2,910.82
6. Step 6: Final answer
   x = 2,421.80