Finding the Fourth Proportional to 2,897.58, 3,983.91 and 2,579.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.58 : 3,983.91 = 2,579.88 : x
2. Step 2: Convert to fraction form
   2,897.58/3,983.91 = 2,579.88/x
3. Step 3: Cross multiply
   2,897.58x = 3,983.91 × 2,579.88
4. Step 4: Simplify right side
   2,897.58x = 10,278,009.73
5. Step 5: Solve for x
   x = 10,278,009.73/2,897.58
6. Step 6: Final answer
   x = 3,547.10