Finding the Fourth Proportional to 2,091.94, 2,886.91 and 1,160.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.94 : 2,886.91 = 1,160.44 : x
2. Step 2: Convert to fraction form
   2,091.94/2,886.91 = 1,160.44/x
3. Step 3: Cross multiply
   2,091.94x = 2,886.91 × 1,160.44
4. Step 4: Simplify right side
   2,091.94x = 3,350,075.72
5. Step 5: Solve for x
   x = 3,350,075.72/2,091.94
6. Step 6: Final answer
   x = 1,601.42