Finding the Fourth Proportional to 2,520.62, 3,477.82 and 1,574.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.62 : 3,477.82 = 1,574.94 : x
2. Step 2: Convert to fraction form
   2,520.62/3,477.82 = 1,574.94/x
3. Step 3: Cross multiply
   2,520.62x = 3,477.82 × 1,574.94
4. Step 4: Simplify right side
   2,520.62x = 5,477,357.83
5. Step 5: Solve for x
   x = 5,477,357.83/2,520.62
6. Step 6: Final answer
   x = 2,173.02