Finding the Fourth Proportional to 2,103.37, 2,902.57 and 1,159.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.37 : 2,902.57 = 1,159.11 : x
2. Step 2: Convert to fraction form
   2,103.37/2,902.57 = 1,159.11/x
3. Step 3: Cross multiply
   2,103.37x = 2,902.57 × 1,159.11
4. Step 4: Simplify right side
   2,103.37x = 3,364,395.01
5. Step 5: Solve for x
   x = 3,364,395.01/2,103.37
6. Step 6: Final answer
   x = 1,599.53