Finding the Fourth Proportional to 2,654.72, 3,663.90 and 1,911.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.72 : 3,663.90 = 1,911.14 : x
2. Step 2: Convert to fraction form
   2,654.72/3,663.90 = 1,911.14/x
3. Step 3: Cross multiply
   2,654.72x = 3,663.90 × 1,911.14
4. Step 4: Simplify right side
   2,654.72x = 7,002,207.53
5. Step 5: Solve for x
   x = 7,002,207.53/2,654.72
6. Step 6: Final answer
   x = 2,637.65