Finding the Fourth Proportional to 2,574.65, 3,861.89 and 626.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.65 : 3,861.89 = 626.82 : x
2. Step 2: Convert to fraction form
   2,574.65/3,861.89 = 626.82/x
3. Step 3: Cross multiply
   2,574.65x = 3,861.89 × 626.82
4. Step 4: Simplify right side
   2,574.65x = 2,420,711.46
5. Step 5: Solve for x
   x = 2,420,711.46/2,574.65
6. Step 6: Final answer
   x = 940.21