Finding the Fourth Proportional to 1,931.22, 2,665.46 and 1,091.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.22 : 2,665.46 = 1,091.92 : x
2. Step 2: Convert to fraction form
   1,931.22/2,665.46 = 1,091.92/x
3. Step 3: Cross multiply
   1,931.22x = 2,665.46 × 1,091.92
4. Step 4: Simplify right side
   1,931.22x = 2,910,469.08
5. Step 5: Solve for x
   x = 2,910,469.08/1,931.22
6. Step 6: Final answer
   x = 1,507.06