Finding the Fourth Proportional to 2,412.72, 3,618.66 and 1,114.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.72 : 3,618.66 = 1,114.08 : x
2. Step 2: Convert to fraction form
   2,412.72/3,618.66 = 1,114.08/x
3. Step 3: Cross multiply
   2,412.72x = 3,618.66 × 1,114.08
4. Step 4: Simplify right side
   2,412.72x = 4,031,476.73
5. Step 5: Solve for x
   x = 4,031,476.73/2,412.72
6. Step 6: Final answer
   x = 1,670.93