Finding the Fourth Proportional to 2,081.22, 2,872.04 and 1,136.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.22 : 2,872.04 = 1,136.99 : x
2. Step 2: Convert to fraction form
   2,081.22/2,872.04 = 1,136.99/x
3. Step 3: Cross multiply
   2,081.22x = 2,872.04 × 1,136.99
4. Step 4: Simplify right side
   2,081.22x = 3,265,460.71
5. Step 5: Solve for x
   x = 3,265,460.71/2,081.22
6. Step 6: Final answer
   x = 1,569.01