Finding the Fourth Proportional to 2,091.65, 3,135.18 and 1,049.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.65 : 3,135.18 = 1,049.59 : x
2. Step 2: Convert to fraction form
   2,091.65/3,135.18 = 1,049.59/x
3. Step 3: Cross multiply
   2,091.65x = 3,135.18 × 1,049.59
4. Step 4: Simplify right side
   2,091.65x = 3,290,637.90
5. Step 5: Solve for x
   x = 3,290,637.90/2,091.65
6. Step 6: Final answer
   x = 1,573.23