Finding the Fourth Proportional to 2,909.82, 4,366.89 and 1,613.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.82 : 4,366.89 = 1,613.82 : x
2. Step 2: Convert to fraction form
   2,909.82/4,366.89 = 1,613.82/x
3. Step 3: Cross multiply
   2,909.82x = 4,366.89 × 1,613.82
4. Step 4: Simplify right side
   2,909.82x = 7,047,374.42
5. Step 5: Solve for x
   x = 7,047,374.42/2,909.82
6. Step 6: Final answer
   x = 2,421.93