Finding the Fourth Proportional to 2,576.02, 3,554.91 and 1,397.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.02 : 3,554.91 = 1,397.09 : x
2. Step 2: Convert to fraction form
   2,576.02/3,554.91 = 1,397.09/x
3. Step 3: Cross multiply
   2,576.02x = 3,554.91 × 1,397.09
4. Step 4: Simplify right side
   2,576.02x = 4,966,538.10
5. Step 5: Solve for x
   x = 4,966,538.10/2,576.02
6. Step 6: Final answer
   x = 1,927.99