Finding the Fourth Proportional to 1,976.03, 2,726.91 and 1,091.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.03 : 2,726.91 = 1,091.90 : x
2. Step 2: Convert to fraction form
   1,976.03/2,726.91 = 1,091.90/x
3. Step 3: Cross multiply
   1,976.03x = 2,726.91 × 1,091.90
4. Step 4: Simplify right side
   1,976.03x = 2,977,499.39
5. Step 5: Solve for x
   x = 2,977,499.39/1,976.03
6. Step 6: Final answer
   x = 1,506.81