Finding the Fourth Proportional to 2,411.13, 3,613.89 and 1,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.13 : 3,613.89 = 1,109.88 : x
2. Step 2: Convert to fraction form
   2,411.13/3,613.89 = 1,109.88/x
3. Step 3: Cross multiply
   2,411.13x = 3,613.89 × 1,109.88
4. Step 4: Simplify right side
   2,411.13x = 4,010,984.23
5. Step 5: Solve for x
   x = 4,010,984.23/2,411.13
6. Step 6: Final answer
   x = 1,663.53