Finding the Fourth Proportional to 2,091.96, 2,886.57 and 1,296.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.96 : 2,886.57 = 1,296.54 : x
2. Step 2: Convert to fraction form
   2,091.96/2,886.57 = 1,296.54/x
3. Step 3: Cross multiply
   2,091.96x = 2,886.57 × 1,296.54
4. Step 4: Simplify right side
   2,091.96x = 3,742,553.47
5. Step 5: Solve for x
   x = 3,742,553.47/2,091.96
6. Step 6: Final answer
   x = 1,789.02