Finding the Fourth Proportional to 2,597.04, 3,896.64 and 1,298.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.04 : 3,896.64 = 1,298.88 : x
2. Step 2: Convert to fraction form
   2,597.04/3,896.64 = 1,298.88/x
3. Step 3: Cross multiply
   2,597.04x = 3,896.64 × 1,298.88
4. Step 4: Simplify right side
   2,597.04x = 5,061,267.76
5. Step 5: Solve for x
   x = 5,061,267.76/2,597.04
6. Step 6: Final answer
   x = 1,948.86