Finding the Fourth Proportional to 1,930.56, 2,664.55 and 1,091.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.56 : 2,664.55 = 1,091.27 : x
2. Step 2: Convert to fraction form
   1,930.56/2,664.55 = 1,091.27/x
3. Step 3: Cross multiply
   1,930.56x = 2,664.55 × 1,091.27
4. Step 4: Simplify right side
   1,930.56x = 2,907,743.48
5. Step 5: Solve for x
   x = 2,907,743.48/1,930.56
6. Step 6: Final answer
   x = 1,506.17