Finding the Fourth Proportional to 2,091.89, 2,886.18 and 1,195.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.89 : 2,886.18 = 1,195.59 : x
2. Step 2: Convert to fraction form
   2,091.89/2,886.18 = 1,195.59/x
3. Step 3: Cross multiply
   2,091.89x = 2,886.18 × 1,195.59
4. Step 4: Simplify right side
   2,091.89x = 3,450,701.01
5. Step 5: Solve for x
   x = 3,450,701.01/2,091.89
6. Step 6: Final answer
   x = 1,649.56