Finding the Fourth Proportional to 2,554.79, 3,525.15 and 1,435.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.79 : 3,525.15 = 1,435.78 : x
2. Step 2: Convert to fraction form
   2,554.79/3,525.15 = 1,435.78/x
3. Step 3: Cross multiply
   2,554.79x = 3,525.15 × 1,435.78
4. Step 4: Simplify right side
   2,554.79x = 5,061,331.05
5. Step 5: Solve for x
   x = 5,061,331.05/2,554.79
6. Step 6: Final answer
   x = 1,981.11