Finding the Fourth Proportional to 2,412.72, 3,618.88 and 1,114.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.72 : 3,618.88 = 1,114.19 : x
2. Step 2: Convert to fraction form
   2,412.72/3,618.88 = 1,114.19/x
3. Step 3: Cross multiply
   2,412.72x = 3,618.88 × 1,114.19
4. Step 4: Simplify right side
   2,412.72x = 4,032,112.60
5. Step 5: Solve for x
   x = 4,032,112.60/2,412.72
6. Step 6: Final answer
   x = 1,671.19