Finding the Fourth Proportional to 2,103.42, 2,902.72 and 1,159.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.42 : 2,902.72 = 1,159.18 : x
2. Step 2: Convert to fraction form
   2,103.42/2,902.72 = 1,159.18/x
3. Step 3: Cross multiply
   2,103.42x = 2,902.72 × 1,159.18
4. Step 4: Simplify right side
   2,103.42x = 3,364,774.97
5. Step 5: Solve for x
   x = 3,364,774.97/2,103.42
6. Step 6: Final answer
   x = 1,599.67