Finding the Fourth Proportional to 2,412.51, 3,617.67 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.51 : 3,617.67 = 1,113 : x
2. Step 2: Convert to fraction form
   2,412.51/3,617.67 = 1,113/x
3. Step 3: Cross multiply
   2,412.51x = 3,617.67 × 1,113
4. Step 4: Simplify right side
   2,412.51x = 4,026,466.71
5. Step 5: Solve for x
   x = 4,026,466.71/2,412.51
6. Step 6: Final answer
   x = 1,668.99