Finding the Fourth Proportional to 2,098.58, 2,895.18 and 1,259.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.58 : 2,895.18 = 1,259.30 : x
2. Step 2: Convert to fraction form
   2,098.58/2,895.18 = 1,259.30/x
3. Step 3: Cross multiply
   2,098.58x = 2,895.18 × 1,259.30
4. Step 4: Simplify right side
   2,098.58x = 3,645,885.70
5. Step 5: Solve for x
   x = 3,645,885.70/2,098.58
6. Step 6: Final answer
   x = 1,737.31