Finding the Fourth Proportional to 2,103.95, 2,903.63 and 1,159.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.95 : 2,903.63 = 1,159.89 : x
2. Step 2: Convert to fraction form
   2,103.95/2,903.63 = 1,159.89/x
3. Step 3: Cross multiply
   2,103.95x = 2,903.63 × 1,159.89
4. Step 4: Simplify right side
   2,103.95x = 3,367,885.60
5. Step 5: Solve for x
   x = 3,367,885.60/2,103.95
6. Step 6: Final answer
   x = 1,600.75