Finding the Fourth Proportional to 1,826.76, 2,740.18 and 672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.76 : 2,740.18 = 672.50 : x
2. Step 2: Convert to fraction form
   1,826.76/2,740.18 = 672.50/x
3. Step 3: Cross multiply
   1,826.76x = 2,740.18 × 672.50
4. Step 4: Simplify right side
   1,826.76x = 1,842,771.05
5. Step 5: Solve for x
   x = 1,842,771.05/1,826.76
6. Step 6: Final answer
   x = 1,008.76