Finding the Fourth Proportional to 2,103.42, 2,902.74 and 1,159.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.42 : 2,902.74 = 1,159.23 : x
2. Step 2: Convert to fraction form
   2,103.42/2,902.74 = 1,159.23/x
3. Step 3: Cross multiply
   2,103.42x = 2,902.74 × 1,159.23
4. Step 4: Simplify right side
   2,103.42x = 3,364,943.29
5. Step 5: Solve for x
   x = 3,364,943.29/2,103.42
6. Step 6: Final answer
   x = 1,599.75