Finding the Fourth Proportional to 2,553.48, 3,522.60 and 1,505.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.48 : 3,522.60 = 1,505.16 : x
2. Step 2: Convert to fraction form
   2,553.48/3,522.60 = 1,505.16/x
3. Step 3: Cross multiply
   2,553.48x = 3,522.60 × 1,505.16
4. Step 4: Simplify right side
   2,553.48x = 5,302,076.62
5. Step 5: Solve for x
   x = 5,302,076.62/2,553.48
6. Step 6: Final answer
   x = 2,076.41