Finding the Fourth Proportional to 2,554.95, 3,525.62 and 1,435.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.95 : 3,525.62 = 1,435.80 : x
2. Step 2: Convert to fraction form
   2,554.95/3,525.62 = 1,435.80/x
3. Step 3: Cross multiply
   2,554.95x = 3,525.62 × 1,435.80
4. Step 4: Simplify right side
   2,554.95x = 5,062,078.02
5. Step 5: Solve for x
   x = 5,062,078.02/2,554.95
6. Step 6: Final answer
   x = 1,981.28