Finding the Fourth Proportional to 3,746.43, 5,617.89 and 1,112.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.43 : 5,617.89 = 1,112.99 : x
2. Step 2: Convert to fraction form
   3,746.43/5,617.89 = 1,112.99/x
3. Step 3: Cross multiply
   3,746.43x = 5,617.89 × 1,112.99
4. Step 4: Simplify right side
   3,746.43x = 6,252,627.30
5. Step 5: Solve for x
   x = 6,252,627.30/3,746.43
6. Step 6: Final answer
   x = 1,668.96