Finding the Fourth Proportional to 2,412.42, 3,618.65 and 1,114.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.42 : 3,618.65 = 1,114.80 : x
2. Step 2: Convert to fraction form
   2,412.42/3,618.65 = 1,114.80/x
3. Step 3: Cross multiply
   2,412.42x = 3,618.65 × 1,114.80
4. Step 4: Simplify right side
   2,412.42x = 4,034,071.02
5. Step 5: Solve for x
   x = 4,034,071.02/2,412.42
6. Step 6: Final answer
   x = 1,672.21