Finding the Fourth Proportional to 2,553.86, 3,524.22 and 1,560.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.86 : 3,524.22 = 1,560.80 : x
2. Step 2: Convert to fraction form
   2,553.86/3,524.22 = 1,560.80/x
3. Step 3: Cross multiply
   2,553.86x = 3,524.22 × 1,560.80
4. Step 4: Simplify right side
   2,553.86x = 5,500,584.95
5. Step 5: Solve for x
   x = 5,500,584.95/2,553.86
6. Step 6: Final answer
   x = 2,153.84