Finding the Fourth Proportional to 2,109.94, 3,166.27 and 1,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.94 : 3,166.27 = 1,136.72 : x
2. Step 2: Convert to fraction form
   2,109.94/3,166.27 = 1,136.72/x
3. Step 3: Cross multiply
   2,109.94x = 3,166.27 × 1,136.72
4. Step 4: Simplify right side
   2,109.94x = 3,599,162.43
5. Step 5: Solve for x
   x = 3,599,162.43/2,109.94
6. Step 6: Final answer
   x = 1,705.81