Finding the Fourth Proportional to 2,590.89, 3,885.27 and 1,109.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.89 : 3,885.27 = 1,109.14 : x
2. Step 2: Convert to fraction form
   2,590.89/3,885.27 = 1,109.14/x
3. Step 3: Cross multiply
   2,590.89x = 3,885.27 × 1,109.14
4. Step 4: Simplify right side
   2,590.89x = 4,309,316.35
5. Step 5: Solve for x
   x = 4,309,316.35/2,590.89
6. Step 6: Final answer
   x = 1,663.26