Finding the Fourth Proportional to 2,411.54, 3,328.02 and 1,572.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.54 : 3,328.02 = 1,572.80 : x
2. Step 2: Convert to fraction form
   2,411.54/3,328.02 = 1,572.80/x
3. Step 3: Cross multiply
   2,411.54x = 3,328.02 × 1,572.80
4. Step 4: Simplify right side
   2,411.54x = 5,234,309.86
5. Step 5: Solve for x
   x = 5,234,309.86/2,411.54
6. Step 6: Final answer
   x = 2,170.53