Finding the Fourth Proportional to 2,553.76, 3,524.07 and 1,505.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.76 : 3,524.07 = 1,505.62 : x
2. Step 2: Convert to fraction form
   2,553.76/3,524.07 = 1,505.62/x
3. Step 3: Cross multiply
   2,553.76x = 3,524.07 × 1,505.62
4. Step 4: Simplify right side
   2,553.76x = 5,305,910.27
5. Step 5: Solve for x
   x = 5,305,910.27/2,553.76
6. Step 6: Final answer
   x = 2,077.69