Finding the Fourth Proportional to 2,554.88, 3,525.66 and 1,435.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.88 : 3,525.66 = 1,435.86 : x
2. Step 2: Convert to fraction form
   2,554.88/3,525.66 = 1,435.86/x
3. Step 3: Cross multiply
   2,554.88x = 3,525.66 × 1,435.86
4. Step 4: Simplify right side
   2,554.88x = 5,062,354.17
5. Step 5: Solve for x
   x = 5,062,354.17/2,554.88
6. Step 6: Final answer
   x = 1,981.45