Finding the Fourth Proportional to 1,931.22, 2,665.12 and 1,047.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.22 : 2,665.12 = 1,047.06 : x
2. Step 2: Convert to fraction form
   1,931.22/2,665.12 = 1,047.06/x
3. Step 3: Cross multiply
   1,931.22x = 2,665.12 × 1,047.06
4. Step 4: Simplify right side
   1,931.22x = 2,790,540.55
5. Step 5: Solve for x
   x = 2,790,540.55/1,931.22
6. Step 6: Final answer
   x = 1,444.96