Finding the Fourth Proportional to 2,410.24, 3,615.90 and 1,111

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.24 : 3,615.90 = 1,111 : x
2. Step 2: Convert to fraction form
   2,410.24/3,615.90 = 1,111/x
3. Step 3: Cross multiply
   2,410.24x = 3,615.90 × 1,111
4. Step 4: Simplify right side
   2,410.24x = 4,017,264.90
5. Step 5: Solve for x
   x = 4,017,264.90/2,410.24
6. Step 6: Final answer
   x = 1,666.75