Finding the Fourth Proportional to 2,576.00, 3,554.89 and 1,397.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.00 : 3,554.89 = 1,397.07 : x
2. Step 2: Convert to fraction form
   2,576.00/3,554.89 = 1,397.07/x
3. Step 3: Cross multiply
   2,576.00x = 3,554.89 × 1,397.07
4. Step 4: Simplify right side
   2,576.00x = 4,966,426.68
5. Step 5: Solve for x
   x = 4,966,426.68/2,576.00
6. Step 6: Final answer
   x = 1,927.96