Finding the Fourth Proportional to 2,412.72, 3,618.72 and 1,114.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.72 : 3,618.72 = 1,114.02 : x
2. Step 2: Convert to fraction form
   2,412.72/3,618.72 = 1,114.02/x
3. Step 3: Cross multiply
   2,412.72x = 3,618.72 × 1,114.02
4. Step 4: Simplify right side
   2,412.72x = 4,031,326.45
5. Step 5: Solve for x
   x = 4,031,326.45/2,412.72
6. Step 6: Final answer
   x = 1,670.86