Finding the Fourth Proportional to 2,103.43, 2,902.74 and 1,159.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.43 : 2,902.74 = 1,159.27 : x
2. Step 2: Convert to fraction form
   2,103.43/2,902.74 = 1,159.27/x
3. Step 3: Cross multiply
   2,103.43x = 2,902.74 × 1,159.27
4. Step 4: Simplify right side
   2,103.43x = 3,365,059.40
5. Step 5: Solve for x
   x = 3,365,059.40/2,103.43
6. Step 6: Final answer
   x = 1,599.80