Finding the Fourth Proportional to 2,412.15, 3,615.43 and 1,110.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.15 : 3,615.43 = 1,110.88 : x
2. Step 2: Convert to fraction form
   2,412.15/3,615.43 = 1,110.88/x
3. Step 3: Cross multiply
   2,412.15x = 3,615.43 × 1,110.88
4. Step 4: Simplify right side
   2,412.15x = 4,016,303.32
5. Step 5: Solve for x
   x = 4,016,303.32/2,412.15
6. Step 6: Final answer
   x = 1,665.03