Finding the Fourth Proportional to 2,103.62, 2,902.93 and 1,159.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.62 : 2,902.93 = 1,159.38 : x
2. Step 2: Convert to fraction form
   2,103.62/2,902.93 = 1,159.38/x
3. Step 3: Cross multiply
   2,103.62x = 2,902.93 × 1,159.38
4. Step 4: Simplify right side
   2,103.62x = 3,365,598.98
5. Step 5: Solve for x
   x = 3,365,598.98/2,103.62
6. Step 6: Final answer
   x = 1,599.91