Finding the Fourth Proportional to 2,573.73, 3,861.32 and 1,112.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.73 : 3,861.32 = 1,112.58 : x
2. Step 2: Convert to fraction form
   2,573.73/3,861.32 = 1,112.58/x
3. Step 3: Cross multiply
   2,573.73x = 3,861.32 × 1,112.58
4. Step 4: Simplify right side
   2,573.73x = 4,296,021.84
5. Step 5: Solve for x
   x = 4,296,021.84/2,573.73
6. Step 6: Final answer
   x = 1,669.18