Finding the Fourth Proportional to 2,553.12, 3,523.12 and 1,418.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.12 : 3,523.12 = 1,418.86 : x
2. Step 2: Convert to fraction form
   2,553.12/3,523.12 = 1,418.86/x
3. Step 3: Cross multiply
   2,553.12x = 3,523.12 × 1,418.86
4. Step 4: Simplify right side
   2,553.12x = 4,998,814.04
5. Step 5: Solve for x
   x = 4,998,814.04/2,553.12
6. Step 6: Final answer
   x = 1,957.92