Finding the Fourth Proportional to 1,786.31, 2,674.31 and 1,043.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.31 : 2,674.31 = 1,043.67 : x
2. Step 2: Convert to fraction form
   1,786.31/2,674.31 = 1,043.67/x
3. Step 3: Cross multiply
   1,786.31x = 2,674.31 × 1,043.67
4. Step 4: Simplify right side
   1,786.31x = 2,791,091.90
5. Step 5: Solve for x
   x = 2,791,091.90/1,786.31
6. Step 6: Final answer
   x = 1,562.49