Finding the Fourth Proportional to 2,554.70, 3,525.18 and 1,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.70 : 3,525.18 = 1,435.50 : x
2. Step 2: Convert to fraction form
   2,554.70/3,525.18 = 1,435.50/x
3. Step 3: Cross multiply
   2,554.70x = 3,525.18 × 1,435.50
4. Step 4: Simplify right side
   2,554.70x = 5,060,395.89
5. Step 5: Solve for x
   x = 5,060,395.89/2,554.70
6. Step 6: Final answer
   x = 1,980.82