Finding the Fourth Proportional to 2,554.42, 3,525.02 and 1,420.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.42 : 3,525.02 = 1,420.02 : x
2. Step 2: Convert to fraction form
   2,554.42/3,525.02 = 1,420.02/x
3. Step 3: Cross multiply
   2,554.42x = 3,525.02 × 1,420.02
4. Step 4: Simplify right side
   2,554.42x = 5,005,598.90
5. Step 5: Solve for x
   x = 5,005,598.90/2,554.42
6. Step 6: Final answer
   x = 1,959.58