Finding the Fourth Proportional to 2,457.73, 3,392.10 and 1,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.73 : 3,392.10 = 1,573.50 : x
2. Step 2: Convert to fraction form
   2,457.73/3,392.10 = 1,573.50/x
3. Step 3: Cross multiply
   2,457.73x = 3,392.10 × 1,573.50
4. Step 4: Simplify right side
   2,457.73x = 5,337,469.35
5. Step 5: Solve for x
   x = 5,337,469.35/2,457.73
6. Step 6: Final answer
   x = 2,171.71