Finding the Fourth Proportional to 2,103.12, 2,902.16 and 1,159.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.12 : 2,902.16 = 1,159.02 : x
2. Step 2: Convert to fraction form
   2,103.12/2,902.16 = 1,159.02/x
3. Step 3: Cross multiply
   2,103.12x = 2,902.16 × 1,159.02
4. Step 4: Simplify right side
   2,103.12x = 3,363,655.69
5. Step 5: Solve for x
   x = 3,363,655.69/2,103.12
6. Step 6: Final answer
   x = 1,599.36