Finding the Fourth Proportional to 2,554.34, 3,525.01 and 1,435.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.34 : 3,525.01 = 1,435.21 : x
2. Step 2: Convert to fraction form
   2,554.34/3,525.01 = 1,435.21/x
3. Step 3: Cross multiply
   2,554.34x = 3,525.01 × 1,435.21
4. Step 4: Simplify right side
   2,554.34x = 5,059,125.27
5. Step 5: Solve for x
   x = 5,059,125.27/2,554.34
6. Step 6: Final answer
   x = 1,980.60