Finding the Fourth Proportional to 2,470.12, 3,705.37 and 826.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.12 : 3,705.37 = 826.67 : x
2. Step 2: Convert to fraction form
   2,470.12/3,705.37 = 826.67/x
3. Step 3: Cross multiply
   2,470.12x = 3,705.37 × 826.67
4. Step 4: Simplify right side
   2,470.12x = 3,063,118.22
5. Step 5: Solve for x
   x = 3,063,118.22/2,470.12
6. Step 6: Final answer
   x = 1,240.07