Finding the Fourth Proportional to 2,554.92, 3,525.78 and 1,435.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.92 : 3,525.78 = 1,435.90 : x
2. Step 2: Convert to fraction form
   2,554.92/3,525.78 = 1,435.90/x
3. Step 3: Cross multiply
   2,554.92x = 3,525.78 × 1,435.90
4. Step 4: Simplify right side
   2,554.92x = 5,062,667.50
5. Step 5: Solve for x
   x = 5,062,667.50/2,554.92
6. Step 6: Final answer
   x = 1,981.54