Finding the Fourth Proportional to 2,574.72, 3,862.05 and 626.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.72 : 3,862.05 = 626.91 : x
2. Step 2: Convert to fraction form
   2,574.72/3,862.05 = 626.91/x
3. Step 3: Cross multiply
   2,574.72x = 3,862.05 × 626.91
4. Step 4: Simplify right side
   2,574.72x = 2,421,140.93
5. Step 5: Solve for x
   x = 2,421,140.93/2,574.72
6. Step 6: Final answer
   x = 940.35