Finding the Fourth Proportional to 2,109.25, 3,162.51 and 1,136.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.25 : 3,162.51 = 1,136.05 : x
2. Step 2: Convert to fraction form
   2,109.25/3,162.51 = 1,136.05/x
3. Step 3: Cross multiply
   2,109.25x = 3,162.51 × 1,136.05
4. Step 4: Simplify right side
   2,109.25x = 3,592,769.49
5. Step 5: Solve for x
   x = 3,592,769.49/2,109.25
6. Step 6: Final answer
   x = 1,703.34