Finding the Fourth Proportional to 1,975.89, 2,726.56 and 1,091.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.89 : 2,726.56 = 1,091.68 : x
2. Step 2: Convert to fraction form
   1,975.89/2,726.56 = 1,091.68/x
3. Step 3: Cross multiply
   1,975.89x = 2,726.56 × 1,091.68
4. Step 4: Simplify right side
   1,975.89x = 2,976,525.57
5. Step 5: Solve for x
   x = 2,976,525.57/1,975.89
6. Step 6: Final answer
   x = 1,506.42