Finding the Fourth Proportional to 2,411.42, 3,617.15 and 1,113.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.42 : 3,617.15 = 1,113.80 : x
2. Step 2: Convert to fraction form
   2,411.42/3,617.15 = 1,113.80/x
3. Step 3: Cross multiply
   2,411.42x = 3,617.15 × 1,113.80
4. Step 4: Simplify right side
   2,411.42x = 4,028,758.02
5. Step 5: Solve for x
   x = 4,028,758.02/2,411.42
6. Step 6: Final answer
   x = 1,670.70