Finding the Fourth Proportional to 2,103.68, 2,903.02 and 1,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.68 : 2,903.02 = 1,159.50 : x
2. Step 2: Convert to fraction form
   2,103.68/2,903.02 = 1,159.50/x
3. Step 3: Cross multiply
   2,103.68x = 2,903.02 × 1,159.50
4. Step 4: Simplify right side
   2,103.68x = 3,366,051.69
5. Step 5: Solve for x
   x = 3,366,051.69/2,103.68
6. Step 6: Final answer
   x = 1,600.08