Finding the Fourth Proportional to 2,412.66, 3,617.76 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.66 : 3,617.76 = 1,113 : x
2. Step 2: Convert to fraction form
   2,412.66/3,617.76 = 1,113/x
3. Step 3: Cross multiply
   2,412.66x = 3,617.76 × 1,113
4. Step 4: Simplify right side
   2,412.66x = 4,026,566.88
5. Step 5: Solve for x
   x = 4,026,566.88/2,412.66
6. Step 6: Final answer
   x = 1,668.93